3 years ago

F(x) = (9 + 2x)² f(2) = ?

Mathematics

2 answers:

Diano4ka-milaya [45]3 years ago

8 0

$\\ \rm\hookrightarrow f(x)=(9+2x)^2$

f(2):-

put 2 inplace of x

$\\ \rm\hookrightarrow (9+2(2))^2$

$\\ \rm\hookrightarrow (9+4)^2$

$\\ \rm\hookrightarrow 13^2$

$\\ \rm\hookrightarrow 169$

soldi70 [24.7K]3 years ago

3 0

<h2>♪Answer : </h2>

»f(x) = (9 + 2x)²

»f(2) = (9 + 2(2))²

»f(2) = (9 + 4)²

»f(2) = 13²

»f(2) = 169✅

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Answer:

Step-by-step explanation:

a = -4/3

d= -1 +4/3 =1/3

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$\frac{-4}{3}+(n-1)*\frac{1}{3}=\frac{13}{3}\\\\(n-1)*\frac{1}{3}=\frac{13}{3}-\frac{-4}{3}\\\\(n-1)*\frac{1}{3}=\frac{13+4}{3}\\\\(n-1)*\frac{1}{3}=\frac{17}{3}\\\\n-1=\frac{17}{3}*\frac{3}{1}\\\\n-1=17\\\\n=17+1=18$

Middle terms are 9the term and 10th term

$t_{9}=\frac{-4}{3}+8*\frac{1}{3}=\frac{-4}{3}+\frac{8}{3}=\frac{4}{3}\\\\t_{10}=\frac{-4}{3}+9*\frac{1}{3}=\frac{-4}{3}+\frac{9}{3}=\frac{5}{3}\\\\ t_{9}+t_{10}=\frac{4}{3}+\frac{5}{3}=\frac{9}{3}=3\\\\t_{9}+t_{10}=3$