Find the intervals on which the function is continuous.Is the function given by f(x) = 
continuous on ?? Why or why not?
A. Yes, f(x) is continuous at each real number
B. No, since f(x) is not continuous at x = -4
Answer: A
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Find the product.(4x + 1)(x - 11)
A. x2 - 43x - 44 B. 4x2 - 43x - 11 C. x2 - 11x - 43 D. 4x2 - 44x - 11
Solve the equation.
= 
A. x = -4, x = 6
B. x = 4, x = 6
C. x = -4, x = -6
D. x = - 
, x = 
Solve.The motion of a projectile that is fired at a 30° angle with the horizontal is given by x = v0
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 600 feet per second at an angle of 30° with the horizontal. Find (a) the time when it strikes the ground and (b) the range (horizontal distance covered).
A. (a) 32.5 seconds (b) 9743 feet B. (a) 18.8 seconds (b) 9743 feet C. (a) 37.5 seconds (b) 19,486 feet D. (a) 9.4 seconds (b) 4871 feet
Factor.50x2 + 80x + 32
A. 2(25x2 + 40x + 16) B. 2(5x - 4)(5x + 4) C. 2(5x + 4)2 D. (10x + 8)(5x + 4)