Radical Review

Given the functions f(x) = - 3x² - 2 and g(x) = 3x, find f(x) - g(x).

• 3x²-3x+2
• -2
• -3x²-3x-2
• -6x-2

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

• -2
• -3x²+3x-2
• -3x²-3x+2
• 6x-2

Find (f ⋅ g)(x)

• -10x² - 3x - 6

• -10x² + 33x -27

• -10x² - 27

• 3x - 6

Tags

CCSS.HSF-BF.A.1B

p(x) = 3x + 4

q(x) = 2x²

Find q o p(x)

• 6x² + 4

• 18x² + 48x + 32

• 18x² + 32

• None of these.

g(x)=3x+4

h(x)=3x-1

Find g o h(x)

• -9x+11

• 4x²+4x

• 9x+1

• 9x+11

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

How are the graphs of a function and its inverse related?

• The graphs are symmetric about the y-axis.

• The graphs are symmetric about the x-axis.

• The graphs are symmetric about the line y = x.

• The graphs are identical.

What is the exponential form of the expression above?

• 
• 
• 
• 

Solve.

• no solution
• 6
• 3
• 4

What is the domain of the graph of the radical function?

• All real numbers

• x < -7

• x > 0

• x > 4