Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 28 s
B. 14 s
C. 7 s
D. 21 s
Answer: B
Mathematics
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Find all the local maxima, local minima, and saddle points of the function.
A. f
= 15, saddle point; f
= 15, saddle point
B. f
= 15, saddle point
C. f
= - 45, local maximum
D. f
= 15, local minimum; f
= 15, local minimum
Mathematics
Solve for rate in the problem. Round to the nearest tenth of a percent. % of 47 clients is 362 clients.
A. 0.1 B. 77.0 C. 1.3 D. 770.2
Mathematics
Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.Subtract (4x5 - 7x3 - 20) from (8x5 + 10x3 - 4).
A. 4x5 + 17x3 - 24 B. 37x8 C. 4x5 + 17x3 + 16 D. 4x5 + 14x3 - 24
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - 3f(x + 4) + 3
A. 
B. 
C. 
D. 
Mathematics