Find the real zeros of the function. List the x-intercepts of the graph of the function.f(x) = x4 - 1296
A. x = -
, x = 
B. x = -6, x = 6
C. x = -36, x = 36
D. no real solution
Answer: B
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Solve the variation problem.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 feet from a light is 2 foot candles, find the intensity on a screen 15 ft from the light.
A. 
foot-candles
B. 
foot-candles
C. 2 foot-candles
D. 1
foot-candles
Solve the problem.A store owner wishes to stack books into equal piles, each pile containing only one title. There are 15 books of one title and 35 books of another title in a shipment. What is the largest number of books that can be stacked in each pile?
A. 15 B. 105 C. 35 D. 5
Choose the closest estimate.The tablet contained 570 
of vitamin C.
A. g B. kg C. mg D. L E. mL
Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. ? A ship is anchored off a long straight shoreline that runs north and south. From two observation points 14 miles apart on shore, the bearings of the ship are N 32° E and S 50° E. What is the shortest distance from the ship to the shore? Round your answer to the nearest tenth of a mile. ?
A. 1.7 mi B. 7.7 mi C. 5.7 mi D. 3.1 mi E. 2.2 mi