Step-by-step explanation:
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Answer:
2/3 x (-6) ×5 = -20/
1
= -20
Step-by-step explanation:
Multiple: 2/
3
* (-6) = 2 · (-6)/
3 · 1
= -12/
3
= -4 · 3/
1 · 3
= -4
Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(-12, 3) = 3.
In words - two thirds multiplied by minus six = minus four.
Multiple: the result of step No. 1 * 5 = -4 * 5 = -20
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The correct statement regarding the quadratic function f(x) = (x - 4)(x + 1) is given by:
It is increasing for x < -1 and x > 4.
<h3>When a quadratic function is increasing and when it is decreasing?</h3>
Considering a concave up quadratic function, with positive leading coefficient, we have that:
- It is increasing to the left of the lower root and to the right of the upper root.
- It is decreasing between the roots.
In this problem, the function is given by:
f(x) = (x - 4)(x + 1).
The roots are:
Hence the correct statement is:
It is increasing for x < -1 and x > 4.
More can be learned about quadratic functions at brainly.com/question/24737967
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