Simplify the expression and combine like terms.-7(5r + 4) + 2(2r + 8)
A. -31r - 12
B. -31r + 4
C. -63r
D. -2r - 3
Answer: A
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Find the domain and the vertical asymptote of the function.g(x) = ln(x - 4)
A. Domain: (4, ?); vertical asymptote: x = 4 B. Domain: (-4, ?); vertical asymptote: x = -4 C. Domain: (-?, ?); vertical asymptote: none D. Domain: (0, ?); vertical asymptote: x = 0
Solve the problem.A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 470 seconds and a standard deviation of 50 seconds. Find the probability that a randomly selected boy in secondary school will take longer than 355 seconds to run the mile.
A. 0.4893 B. 0.5107 C. 0.9893 D. 0.0107
Solve the equation.5 - 11 + 8 = 7 + x - 2
A. x = 11 B. x = 29 C. x = -7 D. x = -3
Find the area of the triangle.
A. A = 21 ft2
B. A = 8
ft2
C. A = 10
ft2
D. A = 17
ft2