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3 years ago

If f(x)= (3+x)/(x-3) what is the f(a+2)

Mathematics

2 answers:

Gelneren [198K]3 years ago

7 0

Answer:

f(a+2) = f(x)

Step-by-step explanation:

X = (a+2).

Not sure entirely if it’s correct, but I hope I helped!

Akimi4 [234]3 years ago

6 0

Answer:

f(a + 2) = (5 + a) / (a - 1)

Step-by-step explanation:

To answer items such as this, we directly substitute the a + 2 to the all the x's in the function such that,

f(a + 2) = (3 + a + 2) / (a + 2 - 3)

Simplifying the function generated above,

f(a + 2) = (5 + a) / (a - 1)

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The point slope form of the eqaution of the line that passes through (-5,-1) and (10, -7) is y+7= -2/5 (x - 10) what is the stan

stira [4]

Answer:

Step-by-step explanation:

The standard form of an equation of a line:

$Ax+By=C$

We have the equation in point-slope form:

$y+7=-\dfrac{2}{5}(x-10)$

Convert it to the standard form:

$y+7=-\dfrac{2}{5}(x-10)$ multiply both sides by 5

$5y+35=-2(x-10)$ use the distributive property a(b + c) = ab + ac

$5y+35=(-2)(x)+(-2)(-10)$

$5y+35=-2x+20$ subtract 35 from both sides

$5y=-2x-15$ add 2x to both sides

$2x+5y=-15$

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3 years ago

When Val checks her cable bill, she is shocked by her movie-rental bill for the month. Renting movies costs $2.99 for each movie

astraxan [27]

Answer:

She should buy the monthly plan for the unlimited movies rather than pay $2.99 per movie. This is because, the more she pay that amount for each movie, the higher her expenses would become at the end of each month.

For example, let assume, in a month, she 8 free days (Saturday and Sunday). She paying for each movie each of those days would supersede the amount she could have spent assuming she did the unlimited monthly plan of $7.99.

That notwithstanding other days which will feel like watching movies or the public holidays which she would be free to relax.

Step-by-step explanation:

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3 years ago

I need help with question 4

White raven [17]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

John is twice as old as Mary. The sum of their ages is 21. How old is Mary?

lesya692 [45]

J=john
m=mary
j is 2 times as old as mary
j=2 times m

sum is 21
m+j=21
find mary
subsitute

j=2m therefor subsitute 2m for j
m+2m=21
add like terms
3m=21
divide by 3
m=7

mary=7

*HOPE I HELPED!*

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3 years ago

Let f(x) = 13-x. Find f−1(x)

Ad libitum [116K]

Answer:

250 ba ang pera mo gamitin mo ang credit card mo

Step-by-step explanation:

ahahaahahhaah

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3 years ago