Determine analytically (without using a graph) whether the function is one-to-one.f(x) = -8x + 5
A. one-to-one
B. not one-to-one
Answer: A
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Solve the problem.The bar graph shows the combined benefits /deficits of a company for six consecutive years.
Find the average combined amount for Year 3 and Year 4.
A. -$977,000 B. -$488,400 C. -$488,600 D. -$488,500
Change the order of integration and evaluate the integral.
A. 632
B. 316
C. 
D. 
Write a formula for a linear function f whose graph satisfies the conditions.Slope: 1.9; passing through (1, 3.3)
A. f(x) = 1.9x + 1 B. f(x) = -1.9x + 1.7 C. f(x) = 1.9x + 1.4 D. f(x) = 1.9x + 3.3
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
per foot for two opposite sides, and 
per foot for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose. Round to the nearest tenth.
A. 30 ft @ $4 by 24 ft @ $5 B. 24 ft @ $4 by 30 ft @ $5 C. 33.5 ft @ $4 by 21.5 ft @ $5 D. 21.5 ft @ $4 by 33.5 ft @ $5