Specify the area, A, that the following integral represents by identifying the function and interval.
dx
A. f(x) = 5 - x2, [5, 0]
B. f(x) = 3 - x2, [0, 5]
C. f(x) = 3 - x2, [5, 0]
D. f(x) = 5 - x2, [0, 3]
Answer: B
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For the piecewise function, find the specified function value.f(x) = {
f(-7)
A. 21 B. 64 C. -62 D. -49
First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Tran's subtotal at Scramble's Electronics is $304.31. The sales tax on these items is $23.81. What was Tran's total bill?
A. Estimate: $280; exact: $280.5 B. Estimate: $328.12; exact: $328.12 C. Estimate: $300; exact: $328.12 D. Estimate: $320; exact: $328.12
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(12x3)-2
A. 
B. 
C. 
D. 144x6
Provide an appropriate response.The following test scores were recorded for a student: 77, 72, 70, 66, 72, 58, 68. Find the mean, median, mode, and range.
A. mean: 70, median: 66, mode: 72, range: 67.5 B. mean: 69, median: 66, mode: 77, range: 67.5 C. mean: 70, median: 69, mode: 77, range: 19 D. mean: 69, median: 70, mode: 72, range: 19