3 years ago

If h(x) = x - 7 and g(x) = x?, which expression is equivalent to (gºh)

Mathematics

1 answer:

dangina [55]3 years ago

3 0

Answer:

Step-by-step explanation:

sdrgdgdtdt

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Given the following functions f(x) and g(x), solve (f + g)(5) and select the correct answer below: f(x)=2x^2-10 g(x)=x+9

steposvetlana [31]

Answer:

$\large\boxed{(f+g)(5)=54}$

Step-by-step explanation:

$f(x)=2x^2-10,\ g(x)=x+9\\\\(f+g)(x)=f(x)+g(x)\\\\\text{Substitute:}\\\\(f+g)(x)=(2x^2-10)+(x+9)=2x^2-10+x+9=2x^2+x+(-10+9)\\\\(f+g)(x)=2x^2+x-1\\\\(f+g)(x)(5)\to\text{put x = 5 to the equation of the function:}\\\\(f+g)(5)=2(5^2)+5-1=2(25)+5-1=50+5-1=54$

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3 years ago

Izara built a fence for her horses. The fence was 210 feet long. She put a fence post in the ground at the start of the fence an

Dmitry_Shevchenko [17]

B. $518.50 is the answer. Quizzes and Quizlet confirmed.

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3 years ago

Marcelo scored 7 points for his basketball team. This was 20% of his team’s points. How many points did his team score?

baherus [9]

Answer:

Step-by-step explanation:

20% = 7

Therefore, 100% = Total Points By Whole Team

20% x 5 = 100%

7 x 5 = 35 Points

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3 years ago

Which number line model represents the expression -4+7.5?

Alex787 [66]

Answer:

Step-by-step explanation:

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3 years ago

Make a table for the following equations<br> y = 2x + 4

nekit [7.7K]

In order to make a table, we sample some x values (whichever we want), and we compute the expression for those value. Each x value will yield a unique y value.

If you need this table to graph the function, you'll only need two points, since this is a line, and having two points you just need to connect them.

Here are some samples, feel free to make more if you need to:

$f(x)=2x+4\implies f(0)=2\cdot 0 + 4 = 4$