Answer the question about the given function.Given the function f(x) = 7x2 + 14x - 5, list the y-intercept, if there is one, of the graph of f.
A. -5
B. 9
C. 16
D. -12
Answer: B
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Find the first four nonzero terms in the Maclaurin series for the function.e4x
A. 1 + 4x + 
+ 
+ . . .
B. x + 4x + 
+ 
+ . . .
C. 1 + 4x + 
+ 
+ . . .
D. 4x + 64x3 + 1024x5 + 16,384x7 + . . .
Write the expression in terms of sines and/or cosines, and then simplify.sec2 x + sin2 x
A. 
B. sin x
C. 
D. 
Find an equation of variation for the given situation.r varies directly as s, and r = 0.0667 when s = 1.
A. r = 0.0667s B. r = 16s C. r = 15s D. r = 14s
Solve the problem.An object is propelled vertically upward from the top of a 240-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 2 seconds B. 9.6 seconds C. 4 seconds D. 1.6 seconds