H. E.R virtual concert tickets are on sale if you buy two concert tickets at full prices of $50 the third ticket is 50% off if tax of 8.5% is charged to the total of three tickets what is the total cost of three tickets after the discount and adding tax

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

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)

the opening of this porabola is facing up

step-by-step explanation: