For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 8 - 9x, g(x) = -5x + 9Find (f + g)(x).
A. -14x + 17
B. -4x + 17
C. 3x
D. -5x + 8
Answer: A
Mathematics
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Determine if matrix A is invertible.A = 
A. Not invertible B. Invertible
Mathematics
Find the slope and the y-intercept of the line with the given equation.y = -3x - 7
A. m = -7; y-intercept = -3
B. m = 3; y-intercept = 7
C. m = - 
; y-intercept = -7
D. m = -3; y-intercept = -7
Mathematics
Use the graph to evaluate the expression.(g?f)(0)
A. - 
B. 0
C. - 1
D. - 2
Mathematics
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2B
A. 
B. - 
C. - 
D. 
Mathematics