Find the domain and range.f(x) = (x - 5)2 + 5
A. Domain: x < 5; All real numbers
B. Domain: All real numbers; range: y < 5
C. Domain: x > -5; range: All real numbers
D. Domain: All real numbers; range: y ? 5
Answer: D
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The gas mileage M that your car gets depends on its age t.
?
A: Explain in practical terms the meaning of 
.
B: As your care ages, gas mileage decreases. Would be positive or negative?
C: Your mechanic tells you that if you use his super gasoline additive, your gas mileage will improve over time. Assuming the additive works, would be positive or negative once you start using the additive?
What will be an ideal response?
Graph the polar equation.r = 1 + cos ?
A. 
B. 
C. 
D. 
Which subtraction model (take-away, missing addend, comparison, or measurement) corresponds best to the problem?Last year the hatch-back model of a new car cost $18,022. This year's model costs $19,256. How much more does this year's model cost?
A. Measurement B. Missing addend C. Take-away D. Comparison
Solve.A young girl watching a group of ants moving along a straight line determines that their position x along the line as a function of time t is given by x(t) = t4 + 2t3 - 16t2 + 48t cm. Give an equivalent expression for x(t) by factoring out a common factor.
A. t(t2 + 2t + 32) B. t(t3 + 2t2 + 32t) C. t(t3 + 2t2 - 16t + 48) D. t(t2 + 2t - 32)