Find the perimeter of the geometric figure.
A. r3 + 5r2 + 12r + 14
B. 6r3 + r2 + 11r + 14
C. 6r3 + 12r + 14
D. r3 + 6r2 + 11r + 14
Answer: D
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Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = x4 - 9x2 + 5x
A. [-5, 5] by [-10, 15] B. [-10, 15] by [-5, 5] C. [-5, 5] by [-25, 15] D. [-25, 15] by [-5, 5]
Find the acute angle, in degrees, between the lines.3x - y = 8 and 2x + y = 16
A. 30° B. 75° C. 45° D. 60°
Provide an appropriate response.Determine the general term of the sequence 5, 20, 80, 320, . . . .
A. an = 4(5)n - 1 B. an = 5(4)n C. an = 4(5)n D. an = 5(4)n - 1
Assume that, at a certain college, 33% of all physics majors belong to ethnic minorities. Given a random sample of 10 physics majors, find the probability of the indicated event. Round your answer as appropriate.Exactly 2 belong to an ethnic minority.
A. .2156 B. .1990 C. .0028 D. .1929