Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 224 ft deep, during what interval can the flare be seen?(h = -16t2 + vot + ho.)
A. 6 < t < 11
B. 0 < t < 2
C. 2 < t < 7
D. 4 < t < 9
Answer: C
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Use a calculator to perform the operation. Express your answer in scientific notation.0.0000725(0.00473)(2,450,000,000)
A. 8.40 × 10-14 B. 8.40 C. 8.40 × 102 D. 8.40 × 107
Find all real roots of the given equation by using Newton's method.2x5 - 3x2 - 7x + 1 = 0
A. 1.5290763, 0.1350528, -1.2048988 B. 1.5290785, 0.1350531, -1.2048938 C. 1.5290763, -1.2048988 D. 1.5290785
Write the number using digits.forty-eight thousand, seventeen
A. 47,180 B. 48,017 C. 48,170 D. 4817
Solve the problem.A lens can be used to create an image of an object on the opposite side of the lens, such as the image created on a movie screen. Every lens has a measurement called its focal length, f. The distance s1 of the object to the lens is related to the distance s2 of the lens to the image by the function s1 = 
.For a lens with f = 0.3 m, what are the asymptotes of this function?
What will be an ideal response?