Aphone company charges for service according to the formula y=18+0.03x, where x is the number of minutes talked, and y is the monthly charge, in dollars. the slope in this equation is? the slope's units are: minutes dollars per minute dollars minutes per dollar

A general line is written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

We will see that the slope is:

0.03 dollars per minute.

Here we have the equation:

y = 18 + 0.03*x

Such that y is in dollars and x is in minutes.

For the general form, we know that the slope is 0.03

And the units of the slope must be the quotient between the units of y and the units of x, so we will have that the slope is:

0.03 dollars/minute

or 0.03 dollars per minute.

Then the correct option is the second one.

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step-by-step explanation: