Add and simplify. Write the answer as a mixed numeral if possible.9 + 3
A. 9
B. 13
C. 12
D. 13
Answer: C
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA fan in the bleachers at Wrigley Field throws an opposing player's home run baseball back onto the playing field. Assume that the fan is 30 feet above the field and that the ball is launched at an angle of 39°. When will the ball hit the ground if its initial speed is 20 ft/sec? Round your answer to the nearest tenth.
A. 1.9 sec B. 1.8 sec C. 1.0 sec D. 4.1 sec
Evaluate the function as indicated.Find g(x - 4) when g(x) = 
.
A. 
B. 
C. 
D. 
Find the y-intercept of the polynomial function.f(x) = -x2(x + 4)(x - 9)
A. -9 B. -36 C. 36 D. 0
Verify the identity.1 - 
= -sin ?
What will be an ideal response?