Answer:
this is correct
Step-by-step explanation:
f continous in x=30 means that it should be the same value for 1.25 x 30 and 1.10 x 30 + k so k =4.5
Robot a killed 5 and my answer needs 20 characters so good luck I hope it's right but maybe listen to someone else as well.
y-intercept is 4 and x-intercept is - 4
105
Substitute X for 7: 3(7)(7-2)
Simplify: 21(5)
Multiply: 105
