Solve the inequality.x2 + 7x ? 0
A. (-?, 0] or [7, ?)
B. (-?, -7] or [0, ?)
C. [0, 7]
D. [-7, 0]
Answer: B
Mathematics
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Find the domain of the rational function.h(t) = 
A. {
t ? -5, 15}
B. {
t ? -5}
C. {
t is any real number}
D. {
t ? -5, 5}
Mathematics
Determine whether the variation between the indicated quantities is direct or inverse.The distance traveled by you in a car and the time taken to drive this distance
A. Direct B. Inverse
Mathematics
Find the variance of the probability density function to the nearest hundredth.f(x) = 
; [0, 5]
A. 2.08 B. 2.09 C. 1.04 D. 0
Mathematics
Evaluate the integral.
A. - 
e-x7 + C
B. e-x6 + C
C. -6e-x7 + C
D. - 
e-x6 + C
Mathematics