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Zigmanuir [339]
3 years ago
7

The product of 7,x, and y is represented by the expression 7xy. If the value of x is negative, what

Mathematics
2 answers:
Sergio [31]3 years ago
8 0

Answer:

it must be negative

Step-by-step explanation:

7xy = a positive number

7 is positive.

x is a negative number.

y must be negative for 7xy to be positive.

(+) * (-) * (-) = +

The product of two negative numbers is positive.

Sphinxa [80]3 years ago
5 0

Answer:

In the expression of 7xy, if x is negative, then y must also be negative for the product to be positive.

Let me know if this helps!

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3 years ago
Translate the question into a mathematical expression. The quotient of two and a number times seven
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3 years ago
What is f(3)??????????
AURORKA [14]
<h3><u>Explanation</u></h3>
  • Meaning of f(a)

f(a) means the value of f(x) is ... when x = a. That means if we substitute x = 3, we would get f(3).

f(3) also means the value of f(x) is ... when x = 3.

f(x) can also be defined as y // f(x) = y

  • Find f(3) by graph.

You can find the value of f(x) at specific domain from the graph by looking at x = 3 then look up to where the point or where the graph passes. From the graph, when x = 3 as we look up and the graph passes y-coordinate at 1.

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