(600 - 148 ) / (divided) by 5 = Pages read per day after first day
Answer:
x = -1, -9.
x = 5, 9.
Step-by-step explanation:
x^2 + 10x = -9
x^2 + 10x + 9 = 0
(x + 1)(x + 9) = 0
x = -1, -9.
x^2 - 14x + 40 = -5
x^2 - 14x + 45 = 0
(x - 5)(x - 9) = 0
x = 5, 9.
Derivative is this picture
Absolute value of |2 1/2| is 2 1/2
