Use a formula for perimeter or area to solve the problem.
Find the area of the triangle.
A. 45 mi2
B. 67.5 mi2
C. 73.125 mi2
D. 135 mi2
Answer: B
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Enrollment at a certain university t years after calendar year 2000 is given by
.
According to the model, for which calendar year is enrollment growing at the fastest rate? Round your answer to the nearest whole number.
?
A. 2006 B. 2009 C. 2010 D. 2004
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = 2x2 + 8x + 6
A. Increasing on (-2, ?); decreasing on (-?, -2) B. Increasing on (2, ?); decreasing on (-?, 2) C. Increasing on (-4, ?); decreasing on (-?, -4) D. Increasing on (8, ?); decreasing on (-?, 8)
Combine like terms.5x + 14 + x + 4xy
A. 6x + 4xy + 14 B. 5x + 4xy + 14 C. 10xy + 14 D. 10x + 4y + 14
The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4