Sweety's ice cream shop sells ice cream by weight. they charge $6.95 per pound. if your dish of ice cream weighs 0.42 pounds, how much will it cost?

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c