Find the domain and range of the inverse of the given function.f(x) = 4.1 - 1.69x
A. Domain: [4.1, ?); range: all real numbers
B. Domain: all real numbers; range: (-?, 4.1]
C. Domain and range: all real numbers
D. Domain: all real numbers; range: [4.1, ?)
Answer: C
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Translate to an equation. Do not solve.89 is 43% of what number?
A. 89 = 43% ? w B. 89 = 43% ÷ w C. 89 = 43 ? w D. 89 ? 43% = w
Write the basic solution for the simplex tableau determined by setting the nonbasic variables equal to 0. 
A. x1 = 0, x2 = 27, x3 = 8, x4 = 0, x5 = 13, z = 23 B. x1 = 8, x2 = 27, x3 = 8, x4 = 13, x5 = 13, z = 23 C. x1 = 2, x2 = 0, x3 = 0, x4 = 3, x5 = 0, z = 1 D. x1 = 0, x2 = 27, x3 = 8, x4 = 0, x5 = 13, z = 0
Solve the problem.A(x) = -0.015x3 + 1.05x gives the alcohol level in an average person's blood x hrs after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Would a person be drunk after 7 hours?
A. No B. Yes
Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.(b7/5)5
A. b7/25 B. b7 C. b12/5 D. b1/5