Answer:
90-15x
Step-by-step explanation:
x being the number of weeks
Answer:
Domain: all real numbers
Range: less than/equal to -2
Answer:
The integers are (x, y) = (40, 8).
Step-by-step explanation:
x = 5y
xy = 320
Substitute the first equation into the second equation.
(5y)(y) = 320
5y^2 = 320
y^2 = 64
y = 8 (y must be positive)
The integers are (x, y) = (40, 8).
Answer:
Step-by-step explanation:
7x^3 + x - 2x^3 + 5x + 8
5x^2 + 6x + 8
