A logistic regression model describes how the probability of voting for the Republican candidate

QUESTION:

A logistic regression model describes how the probability of voting for the Republican candidate in a presidential election depends on x, the voter’s total family income (in thousands of dollars) in the previous year. The prediction equation for a particular sample is

Find the estimated probability of voting for the Republican candidate when

(a) Income = +10,000,

(b) Income = +100,000. Describe how the probability seems to depend on income.