Answer:
Option C)
Step-by-step explanation:
We are given the following in the question:
I is the annual income of a person in a country R
2 percent of one’s annual income =
1 percent of one’s annual income =
Average of 100 units of Country R’s currency and 1 percent of one’s annual income.
Income tax =
2 percent of one’s annual income + Average of 100 units of Country R’s currency and 1 percent of one’s annual income.
Thus, income tax is given by
Option C)
3x^2 + 6x - 10 = 0
x = [-6 +/- sqrt(^2 - 3*3*-10)] / 2*3
= 1.08 and -3.08
Other x -intercept is (-3.08,0)