Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s).s = 4t + 3t3
A. 4t + 9t2
B. 4t + 9t3
C. 4 + 9t2
D. 4 + 3t2
Answer: C
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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 slope and what does it mean in this situation?
A. 0.97; Each year the average per-person consumption is 97% of the previous year's average per-person consumption. B. 1.8; Every 1.8 years the average per-person consumption increases. C. 0.97; Each year the average consumption is increased by 0.97 hot dogs per person. D. 18.41; Each year the average consumption is increased by 18.41 hot dogs per person.
Solve the equation. 
= 9Express solutions as fractions if necessary.
A. 
, - 
B. 
, - 
C. - 
, 
D. No solution
Find the reference angle for the given angle.-570°
A. -60° B. 60° C. -30° D. 30°
Simplify.(x - 8)2
A. x2 + 64 B. x2 - 16x + 64 C. 64x2 - 16x + 64 D. x + 64