Answer:
The answer is (g°f)(-1) = 27
Step-by-step explanation:
* (g°f)(1) ⇒ means make the domain of g is the range of f
- At first find the value of f(-1)
- Take the answer and substitute it as the value of x for g
- So the range of f is the domain of g
∵ f(x) = 4x + 7
∵ The domain of f = -1 ⇒ x is the domain
∴ f(-1) = 4(-1) + 7 = -4 + 7 = 3 ⇒ f(-1) is the range
∵ g(x) = x³
∵ x = f(-1) = 3 ⇒ the domain of g
∴ g(3) = 3³ = 27 ⇒ the range of g
* (g°f)(-1) = 27
Answer:
D
Step-by-step explanation:
Answer:
x= 17.5
y= 35
Step-by-step explanation:
Steps are in attachment.
Cds 3 dvds 5
Sue will use 6 shelves with 3 cds on each and 5 dvds on each.
-9x - 5 = -95
-9x = -95 + 5
-9x = -90
x = -90/-9
x = 10
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