Find f ? g.f(x) = x, 
A. 2x - 3
B. x2 - 3
C. x2 - x - 3
D. x2 - 3x
Answer: D
Mathematics
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Which property does the expression represent?5 + (2 + 8) = (5 + 2) + 8
A. Commutative Property of Addition B. Associative Property of Addition C. Identity of Multiplication D. Identity of Addition
Mathematics
Replace the polar equation with an equivalent Cartesian equation. r = 20 sin ?
A. y = 20 B. x2 + (y - 10)2 = 100 C. x2 + (y - 20)2 = 100 D. (x - 10)2 + y2 = 100
Mathematics
Simplify.(3x4y2)3
A. 3x7y5 B. 27x7y5 C. 27x12y6 D. 3x12y6
Mathematics
Solve the problem.One pound of an ingredient yields 3
cups of the final product. How many pounds of this ingredient will be required by a recipe that yields 7 cups of the final product?
A. 22
lb
B. 28
lb
C. 2
lb
D. 2
lb
Mathematics