Which function has an inverse that is a function ?

C

Step-by-step explanation:

Step-by-step explanation:

A fuction has an inverse if it passes vertical line test.

is a horizontal U shaped graph . when we draw a vertical line then it crosses the inverse graph at two points. So it is not a function.

Inverse graph is a vertical line that does not pass vertical line test. so it is not a function.

Inverse graph is a graph of a line (linear function). Linear function always passes vertical line test. Inverse is a function

Inverse of absolute funciton does not pass vertical line test, so it is not a function.

answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.

if gloria has "carry over" minutes, (that is, any minutes paid for but not used in a month can be applied to her payment for minutes in the next month,) her total usage for the three months is: total minutes = 320 + 243 + 489 = 1052 minutes number of 200 minute blocks = 1052/200 = 5 r52 (that is 5 with a remainder of 52) rounding up the number of 200 minute blocks gives her usage for the three months as 6 blocks. the cost for six blocks is 6 x $25 = $150 she also has 200 - 52 or 148 carry over minutes if gloria pays each month and unused minutes are lost, applying the rounding up procedure to each month gives: first month usage of 320 minutes rounds up to 2 blocks of 200 minutes for a payment of 2 x $25 = $50 second month usage of 243 minutes rounds up to 2 blocks of 200 minutes for a payment of 2 x $25 = $50 third month usage of 489 minutes rounds up to 3 blocks of 200 minutes for a payment of 3 x $25 = $75 total payments for the three months are $50 + $50 + $75 = $175 get the plan with carry over minutes!