Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 98t. During what interval of time will the rocket be higher than 
A. 3 sec < t < 7 sec
B. 0 sec < t < 7 sec
C. 6 sec < t < 10 sec
D. 0 sec < t < 3 sec
Answer: A
Mathematics
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Solve the problem. Round to the nearest cent.Find the present value that will generate $4900 in 2 years paying an APR of 4% compounding annually.
A. $5299.84 B. $369.67 C. $4530.33 D. $4711.54
Mathematics
Use a calculator to find the acute angle ? (to the nearest tenth of a degree) that satisfies the equation.sin ? = 0.17564334
A. 169.9° B. 190.1° C. 79.9° D. 10.1°
Mathematics
Evaluate the function.R(t) = 2t5 - 3t4 - 5t3 - t2; R(-2)
A. -47 B. -81 C. -80 D. -76
Mathematics
Given the graph of the function f(x) = -x3 + 3x; find a formula for g(x) .f(x) = -x3 + 3xg(x) =
?
A. g(x) = -x3 + 3x - 2 B. g(x) = -(x + 2)3 + 3(x + 2) C. g(x) = -(x - 2)3 + 3(x - 2) D. g(x) = -x3 + 3x + 2
Mathematics