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 t-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 2002 the average consumption was 18.98 hot dogs per-person.
C. (-18.98,0); In 1983 the average consumption was 0 hot dogs per-person.
D. (0.05, 0); Each year the average consumption is increased by 0.05 hot dogs per person.
Answer: C
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Interpret the meaning of the slope and the y-intercept of the equation in terms of the conditions stated in the problem.The cost, in dollars, of a one-day car rental is given by 
where x is the number of miles driven.
A. $30 is the cost per day to rent the car and $0.16 is the cost per mile. B. $0.16 is the cost per day to rent the car and $30 is the cost per mile. C. $16 is the cost per day to rent the car and $0.30 is the cost per mile. D. $30 is the cost per day to rent the car and $16 is the extra cost for unlimited miles.
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. z15
B. 
C. z8 - z7
D. z
Complete.15 hr = ___ sec
A. 54,000 B. 90,000 C. 5400 D. 900
For the given functions f(x) and g(x), perform the indicated operation.f(x) = (3x6 + 9x3 - 2), g(x) = (7x6 + 5x3 + 7)Find f(x) + g(x).
A. 29x9 B. 10x6 + 14x3 + 5 C. 5x6 + 8x3 + 16 D. 14x6 + 5x3 + 10