When x = 1:
1³ + 1 - 3 = -1
When x = 2:
2³ + 2 - 3 = 7
Since f(x) = x³ + x - 3 is continuous, it follows from the intermediate value theorem that for some c in the interval (1, 2), we have f(c) = 0, since f(1) < 0 < f(2).
-.5x^2 = -6x + 20
-.25x = -6x + 20
+6x +6x
5.75x = 20
/5.75 /5.75
x = 3.48
Answer:
12-9=3
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
90-80=10
10*2=20
20-2=18
