Kendra found this relationship between the quantities in the table.
x
1
2
3
4
5
y
75
150
225
300
375
Multiply x by 7.5 to get y.
Which error did Kendra make?
Kendra should have added 75 to the x-values to get the y-values.
Kendra should have added 7.5 to the x-values to get the y-values.
Kendra should have multiplied the x-values by 75 to get the y-values.
Kendra should have multiplied the x-values by 25 to get the y-values.
The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.