Part B: Complete the following table for residuals for the linear and exponential functions: f(x) = 138.9x - 218.76
f(x) = 49.3(1.47)*
Hour
Retweets Predicted Value
Residual
Hour
Retweets Predicted Value
Residual
1
65
1
65
2
90
2
90
3
162
3
162
4
224
4
224
5
337
5
337
6
466
6
466
7
780
7
780
8
1087
8
1087

your answer   is c

step-by-step explanation:

answer: it depends on what the tax percentage

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x