I’m sorry I’m answering this to ask a question
Answer:
-4+y=-2
Step-by-step explanation:
The ages of the crew, Marty and Blakeley are 32 years, 48 years and 24 years respectively.
<h3>Algebra</h3>
- Crew's age = x
- Marty's age = 1.5x
- Blakely's age = 0.75x
Total = crew's age + Marty's age + blakely's age
104 = x + 1.5x + 0.75x
104 = 3.25x
x = 104 ÷ 3.25
x = 32 years
Therefore,
Crew's age = x
= 32 years
Marty's age = 1.5x
= 1.5(32)
= 48 years
Blakely's age = 0.75x
= 0.75(32)
= 24 years
Learn more about algebra:
brainly.com/question/4344214
#SPJ1
9514 1404 393
Answer:
1. (f+g)(x) = 2x^2 +4x +2
2. (f -g)(x) = -2x^2 +4x -4
5. (f+g)(x) = x^2 +2x -1
6. (g -f)(x) = x^2 -2x -1
Step-by-step explanation:
None of these are compositions. They are only sums or differences.
(f±g)(x) = f(x) ± g(x)
__
1. (f+g)(x) = f(x) +g(x) = (4x -1) +(2x^2 +3)
(f+g)(x) = 2x^2 +4x +2
__
2. (f -g)(x) = f(x) -g(x) = (4x -1) -(2x^2 +3)
(f -g)(x) = -2x^2 +4x -4
__
5. (f +g)(x) = f(x) +g(x) = (2x) +(x^2 -1)
(f+g)(x) = x^2 +2x -1
__
6. (g -f)(x) = g(x) -f(x) = (x^2 -1) -(2x)
(g -f)(x) = x^2 -2x -1
Answer:
Step-by-step explanation:
1. Interchange x and y. We get: x = y^2 - 5
2. Solve for y: y^2 = x + 5, so that y = ±√(x + 5)
