Chapter 5 Test

Solve the radical equation

• 9
• 82
• -9
• -82

 Solve the equation.

• 36
• 18
• -18
• 27

Solve:
(x+2)^2/3 + 3 = 7

• x=7
• x=5
• x=6
• x=9

Which expression with a fractional exponent best represents √7 ?

• 7 ^½
• 7¼
• 7⅓
• 2⁷

What is the inverse of the function f(x) = 4x + 6?

• y = 4x + 6

• x = 4

• x = 3

• x = 1

• x = 5

What is the rational exponent form of the following?

f(x)=x²-5x
Evaluate f(4).

• -4
• 126
• 24
• 84

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

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