For the pair of functions, find the indicated sum, difference, product, or quotient.Let f(x) = x + 2 and g(x) = x - 6. Find (f + g)(-1).
A. 6
B. 2
C. -6
D. -10
Answer: C
Mathematics
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Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.) 3x - 8y - z = -27 x - 3y - 3z = -16-8x + y + z = -33
A. {(5, 5, 2)} B. {(5, 2, 5)} C. {(6, 3, 2)} D. {(5, -5, -2)}
Mathematics
Find the coordinates of the vertex of the parabola.y = x2 - 4x + 5
A. (1, 2) B. (1, 0) C. (2, 1) D. (0, 2)
Mathematics
Solve.Angle A and angle B are supplementary angles and angle A is 25° less than four times angle B. Find the measures of angle A and angle B.
A. A = 149°, B = 31° B. A = 164°, B = 16° C. A = 139°, B = 41° D. A = 128.3°, B = 51.7°
Mathematics