College Algebra CLEP Exam

College Algebra CLEP Exam

(f o g)(x) = ? - Correct Answer f(g(x))

a^logₙ(x)= - Correct Answer x

Determinant of a Matrix
2x2 - Correct Answer ad-bc (cross matrices)

Determinant of a Matrix
3x3 - Correct Answer +-+ Multiply by determinant of each row/column not being used.

Different base, same exponent - Correct Answer multiply bases together

Domain & Range
f(x) = x² - Correct Answer domain: (-∞,∞) range: [0, ∞)

Domain & Range
f(x)=√x - Correct Answer domain: [0, ∞) range: [0, ∞)

Domain & Range
f(x)=1/x - Correct Answer domain & range: (∞, 0) ∪ (0, ∞)

Domain & Range
f(x)=aⁿ - Correct Answer domain: (-∞, ∞) range: (0, ∞)

Domain & Range
f(x)=log(x) - Correct Answer domain: (0, ∞) range: (-∞, ∞)

Even Symmetry Formula = ? - Correct Answer f(x) = f(-x)

Geometric Series - Correct Answer r^k = r(1-rⁿ)/1-r

How many axes does odd symmetry flip over? - Correct Answer 2

How to solve an inverse function? - Correct Answer Switch x and y and solve

How to test if an inverse exists? - Correct Answer Horizontal Line Test

i = ? - Correct Answer √-1

i² = ? - Correct Answer -1

If the answer to an absolute value question is negative then how many solutions are there? - Correct Answer none

logₙ(a^x)= - Correct Answer x

Matrices
Add & Subtract only if...? - Correct Answer they are the same size

Odd Symmetry Formula = ? - Correct Answer f(-x) = -f(x)

Properties of Logarithms
logₙ(1) = ? - Correct Answer 0

Properties of Logarithms
logₙ(x/y) = ? - Correct Answer logₙ(x) - logₙ(y)