Solve the exponential equation and approximate the result, correct to three decimal places.
= 6
A. 0.1805
B. 0.235
C. 0.2916
D. 0.1682
Answer: D
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Thanks to smaller and more fuel-efficient models, American carmakers have doubled their average fuel economy over a 13-year period, from 1974 to 1987. The graph depicted in the figure gives the average fuel consumption in miles per gallon (mpg) of domestic-built cars over the period under consideration (
corresponds to the beginning of 1974). Use the trapezoidal rule to estimate the average fuel consumption of the domestic car built during this period. Round the result to the nearest hundredth.
?
(Hint: Approximate the integral 
.)
?
?
A. 20.68 mpg
B. 21.71 mpg
C. 19.26 mpg
D. 21.27 mpg
Factor completely.x4 - 16
A. (x2 + 4)(x + 2)(x - 2) B. (x + 2)2(x - 2)2 C. Prime D. (x2 - 4)(x + 2)(x - 2)
Provide an appropriate response.A student is told that there are two solutions to the problem 9x2 = 9x. The student can only find one; that is, x = 1. How could you advise this student?
What will be an ideal response?
Determine the equation of the graph.
A. y = tan 2x B. y = cot 2x C. y = 2 tan x D. y = 2 cot x