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yaroslaw [1]
3 years ago
10

Given the function f(x) = 2(x + 10), find x if f(x) = 24. . .A] 68 . B] 7 .C] 17 . D] 2

Mathematics
2 answers:
inna [77]3 years ago
7 0

Answer:

option D is correct

The value of x is 2

Step-by-step explanation:

Given the function: f(x) = 2(x+10)

if f(x) = 24 then solve for x;

Distributive property of multiplication states that when a number is multiplied by the sum of two numbers, then the first number can be distributed to both of those numbers and multiplied by each of them separately.

i,e  a\cdot(b+c) = a\cdot b+ a\cdot c

f(x) = 2(x+10)

Applying distributive property we have;

f(x) = 2\cdot x + 2\cdot 10 = 2x+20

Now, substitute the value of f(x) = 24 to solve for x;

24 = 2x+20

Subtraction property of equality states that you subtract the same number to both sides of an equation.

Subtract 20 to both sides of an equation, we get

24-20 = 2x+20-20

Simplify:

4 = 2x

Division property of equality states that you divide the same number to both sides of an equation.

Divide both sides by 2 we get

\frac{4}{2} = \frac{2x}{2}

Simplify:

x =2

therefore, the value of x is 2.

Oksana_A [137]3 years ago
3 0
Given the function of f(x) = 2(x+10), find x if f(x)=24 will be 2. The correct answer will be D. 

The steps to get the answer are;
<span>2(x+10)=24 2x +20=24 -20 -20 2x=4/2 x=2</span>
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