Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Answer: B
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Let 
. Sketch the region R under the graph of f on the interval [0, 4], and use a Riemann sum with four subintervals of equal length 
to approximate the area of R. Choose the
representative points to be the right endpoints of the subintervals.
?
A. ?
Area approximation with a Riemann sum with four subintervals is 28 sq units.
?
B. ?
Area approximation with a Riemann sum with four subintervals is 36 sq units.
?
C. ?
Area approximation with a Riemann sum with four subintervals is 32 sq units.
?
D. ?
Area approximation with a Riemann sum with four subintervals is 40 sq units.
?
Write rational exponents in radical notation and radicals in rational exponential notation.-321/5
A. -325
B. 
C. 
D. 
Evaluate by interpreting it in terms of areas.
Solve the problem.At a manufacturing plant, the total cost (in dollars) to produce x items isC(x) = 0.12x + 3140.What is the marginal cost per item?
A. $3140.12
B. 
+ $0.12
C. $3140
D. $0.12