Provide an appropriate response.Let f(x) = x2 - 2 and g(x) = 4x + 9. Find (f - g)(4).
A. -13
B. -6
C. -10
D. -11
Answer: D
Mathematics
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Find the derivative.y = 10 - 5x2
A. 10 - 5x B. 10 - 10x C. -10x D. -10
Mathematics
Evaluate the integral.
A. 5 sin 
x + 10x cos 
x + C
B. 5x sin 
x - 10 cos 
x + C
C. 20 sin 
x - 10x cos 
x + C
D. 10x sin 
x + 20 cos 
x + C
Mathematics
Graph the solution of the system. x + y < 9-7x + y > - 3
A. 
B. 
C. 
D. 
Mathematics
Write the polar equation for a conic with focus at the origin and the given eccentricity and directrix.Determine the polar equation in standard form of the conic section with a focus at the pole such that the eccentricity is 2 and the equation of the directrix is r = -3sec ?.
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics