Answer:
q(-1)=-2
Step-by-step explanation:
1) flip the equation:
4x+7=-1
2) subtract 7 from both sides:
4x=-8
3) divide both sides by 4:
x=-2
HOPE THIS HELPS!!!! :)
Answer:
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Step-by-step explanation:
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<em>The sum of a number and 35 is 100. Create an equation and solve, and tell what the number was</em>.
Let's call our number n. Our equation is
n + 35 = 100
We can subtract 35 from each side to get
n + 35 - 35 = 100 - 35
n = 65
Answer
Part 1) f(x)⁻¹ = 40 - x/2,500
Part 2) quantity
Explanation
f(x)= 100,000-2,500x
In finding the inverse of F(x) we make x the suject of the formula.
f(x)= 100,000-2,500x
2,500x = 100,000 - f(x)
x = 100,000/2,500 - f(x)/2500
x = 40 - f(x)/2,500
Now interchange x with f(x).
f(x)⁻¹ = 40 - x/2,500
