Rewrite the expression in terms of exponentials and simplify the results.sinh (7 ln x)
A. 2x
B. 
C. 
D. 
Answer: B
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Find the slope of the curve for the given value of x.y = x2 + 5x, x = 4
A. slope is - 
B. slope is 
C. slope is -39
D. slope is 13
Graph the line containing the point P and having slope m.P = (0, 5); m = - 
A. 
B. 
C. 
D. 
Find the following value. Round to four decimal places.ln 51
A. 0.5856 B. 1 C. 1.7076 D. 3.9318
Solve the problem.Car A (travelling north at 70 mph) and car B (traveling west at 40 mph) are heading toward the same intersection. Car A is 5 miles from the intersection when car B is 6 miles from the intersection. . Find a formula for the distance between the cars as a function of time, using the parametric equations that describe the motion of cars A and B. Using a graphing utility, find the minimum distance between the cars. When are the cars closest?
A. d = ; 2.73 mi; 5.45 min
B. d = ; 431.77 mi; 5.45 min
C. d = ; 2.73 mi; 0.09 min
D. d = ; 2.73 mi; 5.45 h