x³ + 2x² - x - 2 < 0
x³ - x + 2x² - 2 < 0
x(x² - 1) - 2(x² - 1) < 0
(x - 2)(x² - 1) < 0
(x - 2)(x - 1)(x + 1) < 0
by chacking we get the solution
x ∈ (-∞,-1) ∪ (-1,1)
Website 1
y=1.50x+30
Website 2
y=2x+30
Hope this helps!
Answer:
the right answer is -5 (B)
Step-by-step explanation:
-(-5) +5(-5+2)
5 + -15 = -10
Answer:
$272
Step-by-step explanation:
one hour = $34
8 hours = $272
34*8 = 272
Yes, absolutely! You have correctly identified a good line of best fit and found a point that matches with the 450 thousand. Good job!
