Find the product.(6)(-9x - 8)
A. -54x - 8
B. -9x - 48
C. -54x - 48
D. -102x
Answer: C
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Find the perimeter.
A. 420 cm B. 140 cm C. 210 cm D. 280 cm
Identify the triangle PQR as an isosceles (two sides of equal length), equilateral (three sides of equal length), or scalene (three sides of different lengths) triangle.P
R
A. Isosceles B. Scalene C. Right D. Equilateral
Evaluate the derivative.f'(-2) if f'(x) = (x2 - 1)(4x) + (bx2 + 1)(2x)
A. 96 B. 94 C. -60 D. 68
Estimate the value of the quantity.The table gives dye concentrations for a cardiac-output determination. The amount of dye injected was 
Plot the data and connect the data points with a smooth curve. Find the area under the curve using rectangles. Use this area to estimate the cardiac output.
Time (sec)
Dye concentration (mg/L)
A. 0.1 L/min B. 17.7 L/min C. 8.9 L/min D. 406.0 L/min