It's visually better to make it an equation.
-1 3/5 ÷ -2/3
The answer is 39/10.
Answer:
d
Step-by-step explanation:
Answer: C) Sometimes positive; sometimes negative
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Explanation:
Pick a value between x = -1 and x = 0. Let's say we go for x = -0.5
Plug this into f(x)
f(x) = x(x+3)(x+1)(x-4)
f(-0.5) = -0.5(-0.5+3)(-0.5+1)(-0.5-4)
f(-0.5) = -0.5(2.5)(0.5)(-4.5)
f(-0.5) = 2.8125
We get a positive value.
This shows that f(x) is positive on the region of -1 < x < 0
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Now pick a value between x = 0 and x = 4. I'll use x = 1
f(x) = x(x+3)(x+1)(x-4)
f(1) = 1(1+3)(1+1)(1-4)
f(1) = 1(4)(2)(-3)
f(1) = -24
Therefore, f(x) is negative on the interval 0 < x < 4
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In short, f(x) is both positive and negative on the interval -1 < x < 4
It's positive when -1 < x < 0
And it's negative when 0 < x < 4
ANSWER
A. Noah is correct because the two sides of the equation are equivalent expressions.
EXPLANATION
The equation given to Noah was
He expanded to get:
He then further simplified each side of the equation to get;
Both sides of this equation are equivalent.
Therefore the equation has infinitely many solutions.
The correct answer is A
The answer is 300th caller.
to find the answer you have to take the LCM of all three numbers of callers that are 15,25 and 100
so, lets take the LCM
5 15, 25, 100
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5 3, 5, 20
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3 3, 1, 4
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4 1, 1, 4
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1, 1, 1
Now ,multiply the numbers 5,5, 3 and 4.
5 x 5 x 3 x 4 = 25 x 12 = 300
