Functions and Inverses Retest

• f^-1(x) = 4x + 7

• f^-1(x) = -4x+28

• f^-1(x) = -4x - 7

• f^-1(x) = 4x+28

Find the inverse 
f(x)=2x-2
     

f^-1(x)=______

Mathematical Equivalence

ON

Are the following inverses of each other? Use composition of functions. fog(x) and gof(x)

• True

• False

• Inverse Functions

• Not Inverse Functions

• Inverse Functions

• Not Inverse Functions

What inequality does the number line graph represent?

Type the inequality.

Use x as the variable.

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Given
f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1
• 5x⁴ + 6x² - 1
• 5x² + 6x - 1
• 5x² + 8x - 1