Use a vertical format to add the polynomials.- 
x2 - 
x + 
A. - 
x4 + 
x2 + 
B. 
x2 - 3x + 
C. - 
x6 + 
D. - 
x2 + 
x + 
Answer: D
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Solve the problem. Assume projectile is ideal, launch angle is measured from the horizontal, and launch is over a horizontal surface, unless stated otherwise.A projectile is fired at a speed of 680 m/sec at an angle of 51°. How long will it take to get 17 km downrange? Round answer to the nearest second.
A. 40 sec B. It will never get that far downrange. C. 38 sec D. 42 sec
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = -11
A. Quadratic; -11; -11; 2 B. Linear; -11; -11; 1 C. Constant; -11; -11; 1 D. Constant; -11; -11; 0
Evaluate.-6 + 3 - 10
A. -13 B. 7 C. 13 D. 1
Solve the formula for the specified variable.A = P(1 + nr) for n
A. n = 
B. n = 
C. n = 
D. n = 