Write in exponential form.y ? y ? x ? x ? x ? x ? x
A. y2 + x5
B. y2? x5
C. 2y? 5x
D. (2y)?(5x)
Answer: B
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Determine the number of significant digits in the given approximate number.70,010
A. 4 B. 5 C. 2 D. 3
Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at t years since 2002. C = 0.97t + 18.41 can be used to model the data.
What is the C-intercept and what does it mean in this situation?
A. (0, 18.41); In 2002 the average consumption was 18.41 hot dogs per-person. B. (-18.98,0); In 2021 the average consumption will be 0 hot dogs per-person. C. (0, 0.97); In 2002 the average consumption was 0.97 hot dogs per-person. D. (0, 18.41); Each year the average consumption is increased by 18.41 hot dogs per person.
Solve the problem.Evaluate (f/g)(-4) given f(x) = 2x - 5 and g(x) = 4x2 + 14x + 5.
A. 
B. 
C. - 1
D. 
Solve the problem.Let f(x) = 5(2z - 1)-1 and g(x) = 2(2z - 1)-2. Find all x such that f(x) + g(x) = -2.
A. - 
, 0
B. - 
, - 
C. - 
, 
D. -2, - 