Use sigma notation to write the sum.
A. 
B. 
C. 
D. 
E. 
Answer: A
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Perform the indicated operations.(5x2 + 2x - 2) - (3x2 - 9)
A. 8x2 + 11x - 2 B. 8x2 + 2x - 11 C. 2x2 + 11x - 2 D. 2x2 + 2x + 7
Simplify the expression. Write the result using positive exponents only.
A. x13
B. 
C. x4
D. x20
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient.f(x) = 5 + 3x2
A. Linear B. Quadratic; 3 C. Quadratic; 5 D. Neither
Solve the problem.A ball is kicked upward with an initial velocity of 32 feet per second. The ball's height, h (in feet), from the ground is modeled by 
where t is measured in seconds. How much time does the ball take to reach its highest point? What is its height at this point?
A. 2 sec; 48 ft B. 1 sec; 32 ft C. 2 sec; 16 ft D. 1 sec; 16 ft