Math 124 final questions with
complete solutions already passed
linear function - correct answer ✔✔ y=mx+b
quadratic function - correct answer ✔✔ y=ax^2+bx+c, for parabolas
exponential form - correct answer ✔✔ y=ka^x
logarithmic form - correct answer ✔✔ logbX, where the base is naturally 10.
logeX=? - correct answer ✔✔ lnX
log3 5 - correct answer ✔✔ log5/log3
[ ] () - correct answer ✔✔ brackets form endpoints and open circles do not
point slope form - correct answer ✔✔ y-y1=m(x-x1)
x int on parabola - correct answer ✔✔ -b/2a
y int on a parabola - correct answer ✔✔ f(-b/2a)
x intercept is solved by?? - correct answer ✔✔ The quadratic formula
, y int occurs when? - correct answer ✔✔ x=O
vertex is - correct answer ✔✔ x coordinate and y coordinate
revenue - correct answer ✔✔ price x quantity
cost - correct answer ✔✔ Fixed cost+variable cost
profit - correct answer ✔✔ revenue-cost
exponential function - correct answer ✔✔ A(t)=Pb^t where constant P represents the initial
amount of the condition and b represents the growth or the decay rate
increasing by 3% per minute - correct answer ✔✔ 20(1.03)^t
compound exponential growth - correct answer ✔✔ A(t)=P(1+r/m)^mt
continuously compounded growth - correct answer ✔✔ A(t)=Pe^rt
carbon dating - correct answer ✔✔ A(t)=Pe^kt1/2
average rate of change - correct answer ✔✔ basically slope. y2-y1/x2-x1=f(b)-f(a)/b-a
the smaller the interval - correct answer ✔✔ the better the estimate of the instantaneous rate
of change.
alternative rate of change fornf - correct answer ✔✔ f(x+h)-f(x)/h
complete solutions already passed
linear function - correct answer ✔✔ y=mx+b
quadratic function - correct answer ✔✔ y=ax^2+bx+c, for parabolas
exponential form - correct answer ✔✔ y=ka^x
logarithmic form - correct answer ✔✔ logbX, where the base is naturally 10.
logeX=? - correct answer ✔✔ lnX
log3 5 - correct answer ✔✔ log5/log3
[ ] () - correct answer ✔✔ brackets form endpoints and open circles do not
point slope form - correct answer ✔✔ y-y1=m(x-x1)
x int on parabola - correct answer ✔✔ -b/2a
y int on a parabola - correct answer ✔✔ f(-b/2a)
x intercept is solved by?? - correct answer ✔✔ The quadratic formula
, y int occurs when? - correct answer ✔✔ x=O
vertex is - correct answer ✔✔ x coordinate and y coordinate
revenue - correct answer ✔✔ price x quantity
cost - correct answer ✔✔ Fixed cost+variable cost
profit - correct answer ✔✔ revenue-cost
exponential function - correct answer ✔✔ A(t)=Pb^t where constant P represents the initial
amount of the condition and b represents the growth or the decay rate
increasing by 3% per minute - correct answer ✔✔ 20(1.03)^t
compound exponential growth - correct answer ✔✔ A(t)=P(1+r/m)^mt
continuously compounded growth - correct answer ✔✔ A(t)=Pe^rt
carbon dating - correct answer ✔✔ A(t)=Pe^kt1/2
average rate of change - correct answer ✔✔ basically slope. y2-y1/x2-x1=f(b)-f(a)/b-a
the smaller the interval - correct answer ✔✔ the better the estimate of the instantaneous rate
of change.
alternative rate of change fornf - correct answer ✔✔ f(x+h)-f(x)/h
