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3 years ago

9

i can't figure out how to solve this math problem. Given the function f(x)=1/x+9, calculate the following values: (f(a+h)-f(a))/

h

1 answer:

MA_775_DIABLO [31]3 years ago

3 0

68 ?2000000000.888888

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The table shows the linear relationship between the average height in feet of trees on a tree farm and the number of years till

siniylev [52]

Step-by-step explanation:

the equation :

Hn = 7n + 3

where :

Hn : the height of trees at year to-n

n : year to-n (n = 1,2,3,...)

so, the rate of change : increasing 7 feet per year.

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3 years ago

For (x)=3x+1 and g(x)=x^2 -6, find (f+g)(x)

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Answer:

<h2>(f + g)(x) = x² + 3x - 5</h2>

Step-by-step explanation:

$(f+g)(x)=f(x)+g(x)\\\\f(x)=3x+1;\ g(x)=x^2-6\\\\(f+g)(x)=(3x+1)+(x^2-6)=x^2+3x+1-6=x^2+3x-5$

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Step-by-step explanation

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Please answer I'm begging !!!

Maurinko [17]

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3 years ago

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Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o

denis23 [38]

Option D. 96 is the correct answer.

Explanation:

Let the higher grade be = x

Let the lower grade be = y

As given, The difference of the two grades is 16

$x-y=16$ or $x=16+y$ .... (1)

The sum of one-eighth of the higher grade and one-half of the lower grade is 52.

$\frac{1x}{8}+\frac{1y}{2}=52$ ... (2)

Putting the value of x=16+y in equation (2)

$\frac{16+y}{8}+\frac{y}{2}=52$

$\frac{16+y+4y}{8}=52$

$\frac{16+5y}{8}=52$

$16+5y=416$

$5y=400$

$y=80$

As x=16+y

x=16+80 = 96

Hence, higher grade is 96.

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3 years ago