Provide an appropriate response.Find integers m and n such that mn = 15 and m + n = 8.
A. 5, 8
B. -5, 3
C. 5, 3
D. -5, -3
Answer: C
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Solve.The height in meters of females in a certain ethnic group is approximated by h = 0.52 + 2 log (t/3) where t is the girl's age in years and 1 ? t ? 20. Estimate a girl's height at 4 years of age in this particular ethnic group. Round to the nearest hundredth.
A. 0.77 m B. 1.12 m C. 0.96 m D. 0.52 m
Find the extreme values of the function and where they occur.y = 
A. None
B. The maximum is 3 at x = 0; the minimum is 
at x = -2.
C. The maximum is - 
at x = 0; the minimum is 1 at x = -2.
D. The maximum is 
at x = 0; the minimum is - 1 at x = -2.
Add the numbers.60 + 85 + 90
A. 225 B. 236 C. 246 D. 235
Evaluate the algebraic expression under the given conditions.-5x2 - 9x + 9 for x = -2
A. -3 B. 3 C. 37 D. 7