At the beginning of a trip, a tire on a car has a pressure of 35 psi (lb/in 2 ). At the end of the trip, the pressure is 43 psi. What is the percent increase in pressure? Round your answer to the nearest tenth of a percent if necessary.
A. 21.8%
B. 20.7%
C. 26.2%
D. 22.9%
E. 0.2%
Answer: D
Mathematics
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A. True B. False
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Provide an appropriate response.If a relation exists between x and y, then we say that x 
y or that y 
x, and we write 
A. corresponds to; depends on B. depends on; corresponds to C. corresponds to; corresponds to D. depends on; depends on
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Perform the indicated computations. Write the answer in scientific notation.
A. 10 x 10-3 B. 10 x 1015 C. 5 x 10-3 D. 5 x 1015
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Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.f(x) = 0.4x2 - 3
A. 2; 2 B. -2; 2 C. -2; -2 D. 2; -2
Mathematics