Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = 4x + 6
A. Yes, yes
B. No, yes
C. Yes, no
D. No, no
Answer: A
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Find the product and simplify. Assume all variables represent nonnegative real numbers.(10 - 6
)(6 - 3
)
A. 60 + 66
+ 18y
B. 60 - 66
+ 18y
C. 60 - 6
+ 18y
D. 60 + 18y
For the pair of similar triangles, find the length of the indicated side.
?
In the left triangle, the hypotenuse has length 10, and the longer leg has length 8. In the right triangle, the hypotenuse has length 5, the longer leg has length 4, and the shorter leg has length 3. Find the length, x, of the shorter leg of the left triangle.
A. x = 4 B. x = 6 C. x = 3 D. x = 9
Find the product.3y3(4y - 2)(y + 3)
A. 30y4 - 18y3 B. 12y5 - 18y3 C. 12y5 + 30y4 - 18y3 D. 42y4 - 18y3
Using the given zero, find all other zeros of f(x).i is a zero of f(x) = x4 - 4x3 + 2x2 - 4x + 1
A. -i, 2 + 2
, 2 - 2
B. -i, 1 + 
, 1 - 
C. -i, 2 + 
, 2 - 
D. -i, -2 + 
, -2 - 