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If f(x) = 2x + 3, what is f(4)?
If f(x) = 2x + 3, what is f(4)?
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1 question
Q1
If f(x) = 2x + 3, what is f(4)?
8
11
12
10
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Substituting x = 4 into the function gives f(4) = 2(4) + 3 = 8 + 3 = 11.
Questions & Step-by-step Solutions
1 item
Q
Q: If f(x) = 2x + 3, what is f(4)?
Solution:
Substituting x = 4 into the function gives f(4) = 2(4) + 3 = 8 + 3 = 11.
Steps: 6
Show Steps
Step 1: Identify the function f(x) = 2x + 3.
Step 2: Substitute x with 4 in the function. This means we replace x in the equation with 4.
Step 3: Write the equation with the substituted value: f(4) = 2(4) + 3.
Step 4: Calculate 2 times 4, which is 8.
Step 5: Add 3 to the result from Step 4: 8 + 3.
Step 6: The final result is 11, so f(4) = 11.
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