2 years ago

If f(x) = x ^ 2 + 3 , then f(x+y)=?

1 answer:

5 0

Answer:

f(x)=x^2+3

f(x+y)=(x+y)^2+3

this is done by replacing x with (x+y)

f(x+y)=x^2+2xy+y^2+3

therefore : f(x+y)= x^2+y^2+2xy+3

You might be interested in

gladu [14]

I’m not sure man, but yeah

3 0

3 years ago

SashulF [63]

I 100% positive the answer is <span>C) Their measures should add up to be 90° </span> i just took the test and the answer above me is 100% wrong

7 0

3 years ago

dezoksy [38]

3x-13=305

3x=305+13

3x=318

(3x)÷3=318÷3

x=106

check.. (3×106)-13=305

318-13=305

305=305

7 0

2 years ago

allsm [11]

Answer:

corresponding angles

Step-by-step explanation:

5 0

2 years ago

Goshia [24]

Answer:

Step-by-step explanation:

Total cost for trip = 290 + 50 + 95*5 =290+50+ 475 = $ 815

Savings = $143

Money needed = 815 - 143 = $ 672

No. of driveways = 672/48 = 14

14 driveways must she shovel to have enough money to pay for the trip.

6 0

3 years ago