Find the product.

A. 16x2 - x + 
B. 16x2 + x + 
C. 16x2 - 2x - 
D. 16x2 + x - 


Answer: D

Mathematics

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Assign as indicated using the Huntington-Hill method.A health club instructor has a course load that allows her to teach seven two-credit hour classes. A pre-registration survey indicates the following interests:54 want to take high-impact aerobics28 want to take low-impact aerobics14 want to take jazzercise7 want to take step exerciseAssume that the instructor will teach at least one class for each activity. Apportion the remaining three classes.

A. One of high-impact aerobics and two of low-impact aerobics B. One each of high-impact aerobics, low-impact aerobics, and jazzercise C. One each of high-impact aerobics, low-impact aerobics, and step exercise D. Two of high-impact aerobics and one of low-impact aerobics

Mathematics

Graph the compound inequality.3x + 5y ? 3 or y ? 3

A.

B.

C.

D.

Mathematics

Solve the system of nonlinear equations using the method of elimination.

A. (-7, 0), (7, 0), (0, -7) B. (-7, 0), (0, 7), (0, -7) C. (-7, 0), (7, 0), (0, 7) D. (-7, 0), (7, 0)

Mathematics

Find the domain and range of the relation.{(6, 2), (-9, -2), (-7, 6), (8, -9), (-8, 3)}

A. D: {6, 6, 2, -8, 3}; R: {8, -9, -9, -2, -7} B. D: {8, -9, -9, -2, -7}; R: {6, 6, 2, -8, 3} C. D: {-9, -2, 6, 2, 3}; R: {8, -9, -7, 6, -8} D. D: {8, -9, -7, 6, -8}; R: {-9, -2, 6, 2, 3}

Mathematics