Use the definition to find an expression for the instantaneous acceleration of an object moving with rectilinear motion according to the given function. The instantaneous acceleration is defined as the instantaneous rate of change of the velocity with respect to time. s = t2 + 
[s is the displacement. Find v, then find a]
A. 2 + 
B. 1 + 
C. 2 - 
D. 2t - 
Answer: A
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Provide an appropriate response.Use the law of sines to solve the triangle ABC if a = 23, b = 12, and A = 49°. If there are two possibilities, find both solutions. Round sides to four significant digits and angles to the nearest 
A. B = 25.6°, C = 105.4°, c = 29.38; B = 23.2°, C = 107.8°, c = 29.02 B. B = 23.2°, C = 107.8°, c = 29.02 C. B = 25.6°, C = 105.4°, c = 29.38 D. no solution
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 1
B. 
C. 0
D. Diverges
Choose a strategy and solve.You are planning a driving vacation, and you want to estimate the cost of the gas. While on vacation, you are planning to drive 4000 miles. Your car gets about 40 miles per gallon, and you estimate that the cost of gas is $1.82 per gallon. What is your estimate for the cost of the gasoline for the the vacation?
A. $145.60 B. $223.86 C. $182.00 D. $227.50
Find the domain of the function.f(x) = 7x + 5
A. (-5, ?) B. (-?, ?) C. (-?, -5) or (-5, ?) D. (-?, 0) or (0, ?)