Solve using the division principle.-8x = -48
A. 40
B. 6
C. 2
D. -40
Answer: B
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Determine whether the given function is one-to-one. If so, find a formula for the inverse.f(x) = 10
A. f-1(x) = 10
B. f-1(x) = -10
C. Not a one-to-one function
D. f-1(x) = 
Model the situation with a dynamical system. Use your model to answer the question.You take a 259-mg dose of an antibiotic every 5 hours. Your body eliminates 44% of the drug in a 
period. How much antibiotic will be in your bloodstream after two doses?
A. Dn+1 = 0.56Dn + 259, n = 0, 1, 2, ..., where D0 = 0; 404.04 mg B. Dn+1 = 56Dn + 259, n = 0, 1, 2, ..., where D0 = 0; 14,763.00 mg C. Dn+1 = 0.44Dn + 259, n = 0, 1, 2, ..., where D0 = 0; 372.96 mg D. Dn+1 = 0.56Dn + 259, n = 0, 1, 2, ..., where D0 = 259; 663.04 mg
Solve the problem.Sally's dog weighs 5.25 pounds . How many ounces is this?
A. 73.5 B. 0.33 C. 84 D. 12
Solve the problem.A high school graduating class is made up of 440 students. There are 168 more girls than boys. How many boys are in the class?
A. 168 boys B. 136 boys C. 304 boys D. 440 boys