Simplify.
(x^2 + 5^x + 8)(x^2 + 2^x + 6)

a. x4 + 10x2 + 48
b. x4 + 2x3 + 6x2 + 7x + 14
c. 2x2 + 7x + 14
d. x4 + 7x3 + 24x2 + 46x + 48
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The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212