Precalculus Final Sample Questions

Write the equation of the line with slope 3/5 through the point (20, 6).

• y = 3/5x - 6
• y = 3/5x +18
• y = 3/5x - 18
• y = 3/5x +6

What is the range of the function?

• [-7,6]

• (-7,6)

• (-8,2)

• [-8,2]

Which of the following is the function shown in the graph?

• f(x)= -√(x+4) -2
• f(x)= √(x-4) -2
• f(x)= -√(x-4) -2
• f(x)= √(x+4) +2

Tags

CCSS.HSF-IF.C.7B

Divide:

• -3/4 − 1/4i

• 3/4 + 1/4i

• -3/4 + 1/4i

• 3/4 − 1/4i

• 9 - √5

• √14

• 16

• 4

Given f(x)= -3x+7 and g(x)=2x² - 8, find g(f(x)).

• g(f(x))= -6x²+31
• g(f(x))= -6x²+24
• g(f(x))=18x²-84x+90
• g(f(x))=9x²-42x-41

Tags

CCSS.HSF-BF.A.1C

What is the inverse of this function?

• A

• B

• C

• D

sin^-1(-1/2)

• π/3
• π/6
• 5π/6
• -π/6

Tags

CCSS.HSF.TF.B.7

Given the grey equation is y = sin x, what is the equation of the red graph?

• 
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• 
• 

Use long division.

• 4x - 2

• 4x + 2

• 2x - 4

• 2x + 4