Module 3 Test Review Algebra

How many POSSIBLE roots are there?

• 3

• 4

• 5

• 0

If f(x) = x-5 and g(x) = 3x²-1,

what is (f ° g)(2x) ?

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

• 19

• 23

• -10

• None of these.

The inverse has been reflected over which line?

• y = x

• x = 0

• y = 0

• x = -y

• A

• B

• C

• D

• a
• b
• c
• d

• -y

• y

Solve for x

• 5

• 4/5

• 1

• - 4

z varies jointly with x and y. If x = 2, y = 3 and z = 4, find z when x = -6 and y = 2.

• -6

• -8

• -10

• -12

Simplify the expression.

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• 
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