Bonnie buys a used car for $2500. She calculates her average monthly expenses for gas, insurance, and maintenance at $150 per month. The function f(x) = 150x + 2500 represents her total cost of owning the car for x number of months. What is the domain for this situation?

A.

x ≥ 0

B.

y ≥ 0

C.

x ≥ 2500

D.

y ≥ 2500

@amistre64

Question

Bonnie buys a used car for $2500. She calculates her average monthly expenses for gas, insurance, and maintenance at $150 per month. The function f(x) = 150x + 2500 represents her total cost of owning the car for x number of months. What is the domain for this situation?
 





A.

x ≥ 0





B.

y ≥ 0





C.

x ≥ 2500





D.

y ≥ 2500

@amistre64

amistre64 · Answer

well, the independent variable defines the domian; so its going to be at least an x>= option

amistre64 · Answer

which one are you leaning towards?

anonymous · Answer

im leaning towards D

amistre64 · Answer

D starts with a "y" so im going to go with a NO for that one

amistre64 · Answer

the x >= 2500 seems a bit outrageous to me, since x represents months owned.

anonymous · Answer

Actually i would go with the answer B now that i look at it more

amistre64 · Answer

B starts with a y ... which is not even defined in the equation.

My gut says A

anonymous · Answer

yes, i agree one more question:)