AP Calculus BC: Multiple Choice Test
Review
What is a limit? - Correct Answers -A y-value that x approaches as you move along the
graph
Write: the limit as x approaches a of the function of x is equal to L - Correct Answers -
lim(x→a) f(x)=L
lim (x→-2) (x³+8)/(x+2)=? - Correct Answers -12
T/F: The point doesn't have to exist for the limit to exist - Correct Answers -T
What is a left sided limit? What is its notation? - Correct Answers -A limit that x
approaches from the right side of the graph: lim(x→a⁻) f(x)=L
What is a right sided limit? What is its notation? - Correct Answers -A limit that x
approaches from the right side of the graph: lim(x→a⁺) f(x)=L
Draw the graph f(x){x+2: x>3, -x+5: x<3
Using this graph, what is lim(x→3⁻) f(x)? What is lim(x→3⁺) f(x)? lim(x→3) f(x)? -
Correct Answers -lim(x→3⁻) f(x)=2
lim(x→3⁺) f(x)=5
lim(x→3) f(x)=dne
What does dne stand for? - Correct Answers -does not exist
Draw the graph f(x)=x/(x-2)
Using this graph, what is lim(x→2⁻) f(x)? What is lim(x→2⁺) f(x)? lim(x→2) f(x)? -
Correct Answers -lim(x→2⁻) f(x)=-∞
lim(x→2⁺) f(x)=∞
lim(x→2) f(x)=dne
Draw the graph -log(|x|)
Using this graph, what is lim(x→0) f(x)? - Correct Answers -lim(x→0) f(x)=∞
What is the second derivative of a parametric function? - Correct Answers
-d²y/dx²=[d/dt(dy/dx)]/(dx/dt)
x=t²-4
y=t/2
, d²y/dx²=? - Correct Answers -d²y/dx²=-1/8t³
x=t³-9t
y=t²
Find the equation of the tangent line at (0, 9). - Correct Answers -y-9=(1/3)x
y-9=(-1/3)x
c(t)=⟨t², (1/2)t⟩
Find v(t), a(t), and speed at t=1. - Correct Answers -v(t)=⟨2, 1/2⟩
a(t)=⟨2, 0⟩
|v(t)|=√17/2
What is x in polar form? - Correct Answers -x=rcosθ
What is indeterminate form? - Correct Answers -0/0
lim(x→1) (x³-1)/(x-1) - Correct Answers -3
lim(x→0) |x|/x=? - Correct Answers -dne
limit law: lim(x→c) k=? - Correct Answers -k
limit law: lim(x→c) x=? - Correct Answers -c
limit law: lim(x→c) xⁿ=? - Correct Answers -cⁿ
limit law: lim(x→c) f(x)±g(x)=? - Correct Answers -lim(x→c) f(x) ± lim(x→c) g(x)
limit law: lim(x→c) f(x)·g(x)=? - Correct Answers -lim(x→c) f(x) · lim(x→c) g(x)
limit law: lim(x→c) f(x)/g(x)=? - Correct Answers -lim(x→c) f(x)/lim(x→c) g(x), g(x)≠0,
lim(x→c) g(x)≠0
limit law: lim(x→c) kf(x)=? - Correct Answers -klim(x→c) f(x)
What are the methods (in priority order) of finding limits? - Correct Answers -1. Plug and
Chug
2. Factoring
3. Rationalize
4. Complex Fractions
lim(x→π/3) sec(x)=? - Correct Answers -2
lim(x→∞) sin(x)=? - Correct Answers -dne
Review
What is a limit? - Correct Answers -A y-value that x approaches as you move along the
graph
Write: the limit as x approaches a of the function of x is equal to L - Correct Answers -
lim(x→a) f(x)=L
lim (x→-2) (x³+8)/(x+2)=? - Correct Answers -12
T/F: The point doesn't have to exist for the limit to exist - Correct Answers -T
What is a left sided limit? What is its notation? - Correct Answers -A limit that x
approaches from the right side of the graph: lim(x→a⁻) f(x)=L
What is a right sided limit? What is its notation? - Correct Answers -A limit that x
approaches from the right side of the graph: lim(x→a⁺) f(x)=L
Draw the graph f(x){x+2: x>3, -x+5: x<3
Using this graph, what is lim(x→3⁻) f(x)? What is lim(x→3⁺) f(x)? lim(x→3) f(x)? -
Correct Answers -lim(x→3⁻) f(x)=2
lim(x→3⁺) f(x)=5
lim(x→3) f(x)=dne
What does dne stand for? - Correct Answers -does not exist
Draw the graph f(x)=x/(x-2)
Using this graph, what is lim(x→2⁻) f(x)? What is lim(x→2⁺) f(x)? lim(x→2) f(x)? -
Correct Answers -lim(x→2⁻) f(x)=-∞
lim(x→2⁺) f(x)=∞
lim(x→2) f(x)=dne
Draw the graph -log(|x|)
Using this graph, what is lim(x→0) f(x)? - Correct Answers -lim(x→0) f(x)=∞
What is the second derivative of a parametric function? - Correct Answers
-d²y/dx²=[d/dt(dy/dx)]/(dx/dt)
x=t²-4
y=t/2
, d²y/dx²=? - Correct Answers -d²y/dx²=-1/8t³
x=t³-9t
y=t²
Find the equation of the tangent line at (0, 9). - Correct Answers -y-9=(1/3)x
y-9=(-1/3)x
c(t)=⟨t², (1/2)t⟩
Find v(t), a(t), and speed at t=1. - Correct Answers -v(t)=⟨2, 1/2⟩
a(t)=⟨2, 0⟩
|v(t)|=√17/2
What is x in polar form? - Correct Answers -x=rcosθ
What is indeterminate form? - Correct Answers -0/0
lim(x→1) (x³-1)/(x-1) - Correct Answers -3
lim(x→0) |x|/x=? - Correct Answers -dne
limit law: lim(x→c) k=? - Correct Answers -k
limit law: lim(x→c) x=? - Correct Answers -c
limit law: lim(x→c) xⁿ=? - Correct Answers -cⁿ
limit law: lim(x→c) f(x)±g(x)=? - Correct Answers -lim(x→c) f(x) ± lim(x→c) g(x)
limit law: lim(x→c) f(x)·g(x)=? - Correct Answers -lim(x→c) f(x) · lim(x→c) g(x)
limit law: lim(x→c) f(x)/g(x)=? - Correct Answers -lim(x→c) f(x)/lim(x→c) g(x), g(x)≠0,
lim(x→c) g(x)≠0
limit law: lim(x→c) kf(x)=? - Correct Answers -klim(x→c) f(x)
What are the methods (in priority order) of finding limits? - Correct Answers -1. Plug and
Chug
2. Factoring
3. Rationalize
4. Complex Fractions
lim(x→π/3) sec(x)=? - Correct Answers -2
lim(x→∞) sin(x)=? - Correct Answers -dne