Solve the initial value problem.
= 5t + sec2 t, r(-?) = 4
A. r = 5t2 + tan t + 4 - 5?2
B. r = 
t2 + tan t + 4 - 
?2
C. r = 
t2 + cot t + 4 - 
?2
D. r = 5 + tan t - 1
Answer: B
Mathematics
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Find the inverse of the function.f(x) = 
- 9, x ? 0
A. f-1(x) = x + 9, x ? 9 B. f-1(x) = (x + 9)2, x ? 9 C. f-1(x) = (x - 9)2 D. f-1(x) = -(x + 9)2, x ? 9
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Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sin A and tan A.
A. sin A = 
; tan A = 
B. sin A = 
; tan A = 
C. sin A = 
; tan A = 
D. sin A = 
; tan A = 
Mathematics
Solve by trial.x - 4 = 13
A. 17 B. 22 C. 19 D. 7
Mathematics
Solve the equation by factoring.2x2 = -27x - 81
A. x = 9, 
B. x = 9, - 
C. x = - 
, -9
D. x = -9, -18
Mathematics