Sketch the graph of the function.
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A. ?


B. ?


C. ?


D. ?


E. ?



Answer: B

Mathematics

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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum , using the indicated point in the kth subinterval for ck.f(x) = x2 - 1, [0, 8], left-hand endpoint

A.

B.

C.

D.

Mathematics

Solve the system by the substitution method. Be sure to check all proposed solutions.  x + 2y = 146x + 3y = 21

A. {(-7, 0)} B. {(0, 7)} C. {(1, 6)} D. ?

Mathematics

Find the commission earned or the rate of commission. Round money answers to the nearest cent if necessary.Sales: $330 Commission rate: 2%

A. $11.55 B. $82.50 C. $4.95 D. $8.25

Mathematics

Solve the quadratic equation by any method.y2 =  + y

A.
B.
C. no real solution
D.

Mathematics