Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula 
How much will today's dollar be worth in 4 years? Round the answer to the nearest cent.
A. $3.36
B. $3.20
C. $0.93
D. $0.50
Answer: D
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Let f be a scalar field and F be a vector field. Indicate whether of the following is a scalar field, vector field, or meaningless.curl F
A. Scalar Field B. Vector field C. Meaningless
Find the area.
A. 2100 yd2 B. 1330 yd2 C. 1100 yd2 D. 1300 yd2
Name the method that can be used to prove the triangles are congruent.
A. SAS B. SSS C. ASA D. The triangles are not congruent.
Solve the problem.The table shows the number of deaths due to car accidents in a certain city in various years. 
Let n = f(t) be the number of deaths due to car accidents at t years since 2012. Use a quadratic model to predict the number of deaths due to car accidents in the year 2019. (First find a quadratic equation for f in vertex form by using the data for the years 2015 and 2017).
A. 88 B. 66 C. 237 D. 134