F(-4) = 3 x 2 - 5(-4) + 4
3x2= 6
-5(-4)= 20
6-20= -14
-14+4= -10
f(-4) = -10
Answer:
The sale price of a $90 item after a 50% discount is $45.
miles= 30 × hours
use this equation to fill out the graph and find out what y (miles traveled) equals.
for example, multiply 5 (the hours passed) by 30. Your answer would be 150, which is the miles the biker would travel in 5 hours.
Well you only do that when you are in the ones place and you have to regroup a 1in the tens place if you go past 19 then you are going to have to regroup a 2
The rate of change is -2 :)