Add and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
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Simplify.
+ 
A. 
B. 
C. - 
D. 
Give the center and radius of the circle described by the equation and graph the equation.(x + 2)2 + (y - 3)2 = 9
A. center (- 2, - 3), r = 3
B. center (2, 3), r = 3
C. center (- 2, 3), r = 3
D. center (2, - 3), r = 3
Compute the average rate of change of f from x1 to x2. Round your answer to two decimal places whenappropriate. Interpret your result graphically.f(x) = 5x + 2, x1= -4 and x2= -1
A. 7; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 7. B. 4; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 4. C. 5; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 5. D. 6; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 6.
Solve the equation.
= -2 - (-6)
A. 16 B. -8 C. 8 D. 4