Evaluate the piecewise-defined function at the indicated value.f(x) = 
; f(7)
A. -49
B. 9
C. 73
D. 49
Answer: D
Mathematics
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Find the length of the curve.x = 4t, y = 
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A. 
B. 
C. 
D. 
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Find the equation in standard form of the parabola whose graph is shown.
A. x = 2(y + 8)2 B. x = 2y2 - 8 C. x = -2y2 - 8 D. y = 2x2 - 8
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Graph the integrand and use areas to evaluate the integral.
A. 108 B. 36 C. 72 D. 18
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Provide an appropriate response.Find the perimeter of a parallelogram that has sides of 30 and 18 inches.
Fill in the blank(s) with the appropriate word(s).
Mathematics