Evaluate the expression.-1 - 1
A. -2
B. -1
C. 2
D. 0
Answer: A
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Solve the problem.A construction company buys a truck for $39,000. The truck is expected to last 16 years, at which time it will be worth $3800. Write a function v(x) that describes the value of the truck at any time during its lifetime. Be sure to state the domain of the function.
A. v(x) = 39 ,000 - 2300t, with domain 0 ? t ? 16 B. v(x) = 39 ,000 - 2200t, with domain 0 ? t ? 16 C. v(x) = 39 ,000 - 2500t, with domain 0 ? t ? 16 D. v(x) = 39 ,000 + 2200t, with domain 0 ? t ? 16
Solve the problem.A child's dose of medicine is 
of a pre-measured dose cup. If the bottle of medicine is the size of 9 dose cups, how many children's doses are there in the bottle?
A. 15 doses
B. 54 doses
C. 1
dose(s)
D. 9
doses
Graph the hyperbola.25y2 = 9x2 + 225
A. 
B. 
C. 
D. 
Solve.7 - 0.8(w - 9) = 0.4(3w - 5)
A. 8.1 B. 1.5 C. 0.9 D. 20.4