Add and write the resulting polynomial in descending order of degree.(5a4 + 7a2) + (2a4 + 2a2)
A. 16a12
B. 16a6
C. 7a4 + 9a2
D. 7a8 + 9a4
Answer: C
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Solve the problem.A video camera is set up 110 feet at a right angle to a straight quarter-mile race track, as shown in the figure. The starting line is to the left, and the finish line is to the right. Through what angle must the camera rotate to film the entire race?
A. 148° B. 157° C. 85° D. 167°
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Add.(2x8 - 9x3 + 2x2 + 7) + (4x7 + 5x3 - 9x)
A. 2x8 + 4x7 + 4x3 + 2x2 - 9x + 7 B. 6x8 - 14x3 + 2x2 - 9x + 7 C. 6x8 - 4x3 + 2x2 - 9x + 7 D. 2x8 + 4x7 - 4x3 + 2x2 - 9x + 7
Find the average rate of change for the function between the given values.f(x) = 2x3 + 2x2 + 1; from -3 to 6
A. 
B. 90
C. 60
D. 