Given f(x) = [(x^2 -2x -15)/x-5], notice it is a rational
function
But the numerator x^2 -2x -15 could be factored, which
yields
(x – 5)(x + 3)
Therefore f(x) = (x – 5)(x + 3)/ (x-5)
Cancelling x-5, f(x)
= x + 3
In this way, the f(x) is continuous at any point, and is
basically a line.
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Answer:
1/2 or maybe 2
Step-by-step explanation:
I'm not very good at this so I hope it's right.
Answer:
Fraction: 50/100
Percentage: 50%
Step-by-step explanation:
Find the total amount of marbles:
30+50+20=100
Number of blue marbles: 50
Fraction: 50/100
Percentage: 50%
Answer: 13.5
Step-by-step explanation:
30% = 0.3.
Thus, simply do 0.3*45 to get 13.5.
Hope it helps <3
