Solve the problem.dy/dt = ky + f(t) is a population model where y is the population at time t and f(t) is some function to describe the net effect on the population. Assume k = .02 and
when t = 0. Solve the differential equation of y when f(t) = 15t.
A. y = 750t + 37,500 + 47,500e-.02t
B. y = -750t - 37,500 + 47,500e-.02t
C. y = -750t - 37,500 + 47,500e.02t
D. y = 750t - 37,500 + 47,500e-.02t
Answer: C
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Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10 B. b = 8 C. b = 7 D. b = 9
Find the horizontal and vertical asymptotes of the graph of the function.
?
?
A. Vertical asymptote: ; Horizontal asymptote:
and
B. Vertical asymptotes: and
; Horizontal asymptote:
C. Vertical asymptote: ; Horizontal asymptote:
D. Vertical asymptote: ; Horizontal asymptote:
Estimate the value as a whole number or as a mixed numeral where the fractional part is .17
A. 17
B. 18
C. 18
D. 17
Find the mean of the scores.
7, 3, 4, 1, 6, 3 a. 3.5 b. 4 c. 3 d. 2.5 e. 6