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natita [175]
3 years ago
7

Help please I have a test tomorrow!!!!

Mathematics
1 answer:
Taya2010 [7]3 years ago
6 0
For find f(-2) of f(x)=7x+3, plug in -2 for x.
7(-2)+3=y
-14+3=y
y=-11
To find the rate, or the slope, you divide x/y. So 2/6 is 1/3. 3 over 9 is also 1/3. So the rate is 1/3. In rates you always divide, you don't mulitply or subtract  or add to find the rate. 
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Mario says that the expression 4+3n² has four terms: 4, 3, n, and 2. Is he correct? explain.
stich3 [128]

Mario says that the expression 4+3n^2 has four terms: 4, 3, n, and 2. Mario is incorrect

<em><u>Solution:</u></em>

Given that the expression is:

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Because the given expression has two terms only

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8 0
3 years ago
Which of the following<br> is equivalent to 3/7 ?<br> Select your answer(s) below
mina [271]

Answer:

there is no choices but i can tell you some

as a decimal 0.429

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multiply it by two every time

Step-by-step explanation:

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