Hi can someone help me with this question. This is on my review. Thanks!
The monthly cost C, in dollars, for
international calls on a certain cellular phone plan is
modeled by the function where x is the
number of minutes used.
(a) What is the cost if you talk on the phone for x=43
minutes?
(b) Suppose that your monthly bill is $44.10. How many
minutes did you use the phone?
(c) Suppose that you budget yourself $80 per month for the
phone. What is the maximum number of minutes that
you can talk?
no function given.
I would gladly answer your question but you need the function.
Of course! I'd be happy to help you with this question.
To solve this question, we need to use the given information and equations to find the answers.
(a) The cost for x minutes can be found by evaluating the function with x = 43. The given function is not provided in your question, so I am unable to solve it for you. However, if you have the function, you can substitute x = 43 into the function and calculate the cost.
(b) To determine the number of minutes used when the monthly bill is $44.10, we need to reverse the equations. Again, the equation is missing from your question. If you have the equation, you can set the cost function equal to $44.10 and solve for x by isolating it on one side of the equation.
(c) Similarly, to find the maximum number of minutes that you can talk with a budget of $80 per month, you would need the equation for the cost function. You would set the cost function equal to $80 and solve for x, making sure to check if it is within the practical range of minutes for phone usage.
Without the specific equation, I am unable to provide you with the numerical answers to parts (a), (b), and (c). However, once you have the equation, you can plug in the given values and solve for the unknown variables using basic algebraic manipulation.