Solve the problem.The position of an object at time t is given by s(t). Find the instantaneous velocity at the indicated value of t.s(t) = 5t2 + 10t + 10 at t = 9
A. 90
B. 55
C. 4150
D. 100
Answer: D
Mathematics
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Solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 32 cm long plays a B, what is the length of the string that plays a D?
A. 32 cm B. 54 cm C. 48 cm D. 59 cm
Mathematics
Find the limit.
(x3 + 5x2 - 7x + 1)
A. 29 B. 0 C. 15 D. does not exist
Mathematics
Translate the word statement into a percent proportion. Do not solve.What number is 132% of 21?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Provide an appropriate response.Describe the graph of the solution set of the following inequality:x > y2 + 5
What will be an ideal response?
Mathematics