Solve the problem.The formula P = 14.7e-0.21x gives the average atmospheric pressure, P, in pounds per square inch, at an altitude x, in miles above sea level. Find the average atmospheric pressure for an altitude of 2.3 miles. Round your answer to the nearest tenth.
A. 11.0 lb/in.2
B. 9.1 lb/in.2
C. 8.4 lb/in.2
D. 7.8 lb/in.2
Answer: B
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Determine the prime power representation of the number.468
A. 24 ? 13 B. 22 ? 32 ? 13 C. 23 ? 32 ? 13 D. 34 ? 13
Find the nonreal complex solutions of the equation.3x2 + 7x + 6 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Solve.A recipe calls for 
cup of milk. How much milk should be used to make 
of the recipe?
A. 
cup
B. 
cup
C. 
cup
D. 
cup
Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation 
), and factor f(x) into linear factors.f(x) = x3 - 4x2 + 9x - 10
A. 2, 1 + 
, 1 - 
; f(x) = (x - 2)(x - 1 - 
)(x - 1 +
)
B. -2, 1 + 2i, 1 - 2i; f(x) = (x + 2)(x - 1 - 2i)(x - 1 + 2i)
C. 2, 1 + 2i, 1 - 2i; f(x) = (x - 2)(x - 1 - 2i)(x - 1 + 2i)
D. 2, -1 + 2i, -1 - 2i; f(x) = (x - 2)(x + 1 - 2i)(x + 1 + 2i)