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Alona [7]
2 years ago
14

Given f(x)=3x+1, solve for x when f(x)=7

Mathematics
2 answers:
charle [14.2K]2 years ago
3 0

Answer:

X = 22

Step-by-step explanation:

f(x) = 3x + 1

f(7) = 3(7) + 1

= 21 + 1

= 22

koban [17]2 years ago
3 0

Answer:

{ \tt{f(x) = 3x + 1}}

• when f(x) is 7,

{ \tt{3x + 1 = 7}} \\  \\ { \tt{3x = 6}} \\  \\ { \tt{x =  \frac{6}{3} }} \\  \\ { \boxed{ \rm{ \: x = 2 \: }}}

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To find the mean of a group of numbers, you add them all up and divide the total by the number of numbers there are. Since Larry averaged 23 PPG in 4 games, we can multiply 23 by 4 to get the total of the first 4 games from the data. Then, we find <em>p</em>, which we will add to get our final total. Then, you divide by the 5 games.

\frac{(4)23+p}{5}=25
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First, I simplified 4 x 23 to get 92. Then, I multiplied each side by 5 to get rid of the denominator. Finally, I subtracted 92 from each side to isolate <em>p</em>, and found that <em>p</em> = 33.


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