3 years ago

If f (x) = (3+x)/(x-3) what is fa+2)?

Mathematics

1 answer:

RoseWind [281]3 years ago

4 0

Answer:

$\frac{a+5}{a-1}$

Step-by-step explanation:

Given

f(x) = $\frac{3+x}{x-3}$

To evaluate f(a + 2) substitute x = a + 2 into f(x), that is

f(a + 2) = $\frac{3+a+2}{a+2-3}$ = $\frac{a+5}{a-1}$

You might be interested in

A local cable TV/Internet/phone provider charges new customers $129 for all three services, per month, for the first year under

Sati [7]

Answer:

Step-by-step explanation:

Amount paid by Joanne before promotion = 74 + 59 + 69 = $ 202

a) Amount saved if she switches to "3 for 129 plan" = 202 - 129 = $ 73

Percentage of saving = $\frac{73}{202}*100$ = 36.13 = 36%

b) Amount saved after the first year = 202 - 139 = $ 63

Percentage of saving = $\frac{63}{202}*100$ = 31.18 = 31%

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3x%7D%7B4%7D%20%20%2B%202%20%3D%204x%20-%201" id="TexFormula1" title=" \frac{3x}{

ASHA 777 [7]

Answer:

$x=\frac{12}{13}$

Step-by-step explanation:

$\frac{3x}{4} +2=4x-1\\\\4x - \frac{3x}{4} = 2+1\\\\\frac{13x}{4} =3\\\\13x=12\\\\x=12/13$

7 0

4 years ago

Find the area of the triangle

horsena [70]

Area should be 80
0.5x20x8

3 0

3 years ago

Fractions on a number line.

larisa [96]

1/5 3/5 7/10 4/5 Change the denominators all to 10 to be able to but them in order

8 0

3 years ago

The point of intersection of

Anna35 [415]

Answer:

D - Centroid

It's where the three medians of a triangle meet

5 0

4 years ago

Read 2 more answers