Answer:
18.288
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
Sub -1 in for each x:
-3x³-4x
-3(-1)³-4(-1)
-3(-1)+4
3+4
7
Answer:
y = 36x
Step-by-step explanation:
Given that x and y vary directly then the equation relating the is
y = kx ← k is the constant of variation
To find k use the condition x =
, y = 12, then
k =
=
= 12 × 3 = 36
y = 36x ← equation of variation
Answer:

Step-by-step explanation:
we have

Let


Exchange variables x for y and y for x

Isolate the variable y



Let

-------> inverse function
Answer:
3*n<4=11
Step-by-step explanation:
Three times a number n less than 4 is 11