If P(x) = x2 + 2x - 5, find each function value.
-A projectile is fired upward from the ground with an initial velocity of 250 feet per second. Neglecting air resistance, the height of the projectile at any time t can be described by the polynomial function
P(t) = -16t2 + 250t . Find the height at time t = 4 seconds.
Correct Answer:
Verified
Q15: Subtract.
-Subtract (2x - 9) from the sum
Q16: If P(x) = x2 + 2x -
Q17: If P(x) = x2 + 2x -
Q18: If P(x) = x2 + 2x -
Q19: If P(x) = x2 + 2x -
Q21: Multiply.
-(-5x4 )(2x2 )
Q22: Multiply.
-4x(6x - 7)
Q23: Multiply.
--3ab( xa2 - ya2 - 5)
Q24: Multiply.
-(2x - 3)(5x2 - x + 1)
Q25: Multiply.
-(a + 5)(4a2 - a + 6)
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