3x regular packets. 24 div 8 = 3
1.59 x 3 = 4.77
Answer:
3(1−3x)+2x
1 Expand by distributing terms.
-(3-9x)+2x
2 Remove parentheses.
-3+9x+2x
3 Collect like terms.
-3+(9x+2x)
4 Simplify.
-3+11x
5 Regroup terms.
11x-3
Done
Step-by-step explanation:
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By concepts of functions, the inverse of the <em>rational</em> function f(x) = (2 · x + 1)/(x - 4) is f⁻¹(x) = (4 · x + 1)/(x - 2), whose value at being evaluated at x = 3 is equal to 13.
<h3>How to determine the value of the inverse of a function</h3>
In this question we must determine the inverse of a given function and evaluate the resulting expression at a given value. First, we apply the following substitution:
f⁻¹(x) = x
x = f(x)
x = (2 · f⁻¹(x) + 1)/(f⁻¹(x) - 4)
Then we clear f⁻¹(x) within the expression:
x · (f⁻¹(x) - 4) = 2 · f⁻¹(x) + 1
x · f⁻¹(x) - 4 · x = 2 · f⁻¹(x) + 1
x · f⁻¹(x) - 2 · f⁻¹(x) = 4 · x + 1
f⁻¹(x) · (x - 2) = 4 · x + 1
f⁻¹(x) = (4 · x + 1)/(x - 2)
Lastly, we evaluate the function at x = 3:
f⁻¹(3) = (4 · 3 + 1)/(3 - 2)
f⁻¹(3) = 13
By concepts of functions, the inverse of the <em>rational</em> function f(x) = (2 · x + 1)/(x - 4) is f⁻¹(x) = (4 · x + 1)/(x - 2), whose value at being evaluated at x = 3 is equal to 13.
To learn more on inverse functions: brainly.com/question/2541698
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24 flowers
First we have to add the number of red flowers he has to the number of white flowers he has. This gets us the total number of flowers he has to plant. 40 plus 80 gets us 120 total flowers. Next we must divide this total number of flowers by the number of beds to get how many flowers will be planted in each bed. 120 divided by 5 is 24 flowers per bed.