Answer:
2.4x+15.2
Step-by-step explanation:
Answer:
2(2x + 5)(2x - 5)
Step-by-step explanation:
2(2x + 5)(2x - 5)
= (4x + 10)(2x - 5)
= 8x² - 20x + 20x - 50
= 8x² - 50
Answer:
a. at zero years of education, income equals $1500
Step-by-step explanation:
The equation for income 'I', as a function of years of education 't' is given by:
Where b is the regression coefficient and a is the intercept.
The intercept is the value assumed by the function for t = 0 years of education:
Since the income function measures income in $1,000s, at zero years of education, income equals $1500