Solve.The average cost per tape, in dollars, for a company to produce x sports videotapes is given by the functionA(x) =
for x > 0
Graph the function on the interval (0, ?) and complete the following:A(x) ?
as x ? ?.
A.
A(x) ? 1 as x ? ?.
B.
A(x) ? 11 as x ? ?.
C.
A(x) ? 0 as x ? ?.
D.
A(x) ? 16 as x ? ?.
Answer: B
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Evaluate using the order of operations.(6.5 - 10) ÷ 4 - 2 ?
A. -3.25 B. -1.75 C. -1.875 D. -1.5
A 8.9-volt input to a long transmission line decreases to 4.3 volts at the other end. Find the decibel voltage loss. Round to the nearest hundredths. ?
A. 14.55 db B. -14.55 db C. -1.00 db D. -6.32 db E. -0.32 db
Graph using the x- and y-intercepts.y = -4x + 7
A.
B.
C.
D.
Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Crosses the x-axis at -3, 0, and 1; lies below the x-axis between -3 and 0; lies above the x-axis between 0 and 1.
A. f(x) = x3 - 2x2 - 3x B. f(x) = - x3 + 2x2 + 3x C. f(x) = x3 + 2x2 - 3x D. f(x) = -x3 - 2x2 + 3x