Answer:

Step-by-step explanation:

For f(3), the input for the function f(x) is 3.
Let x (input) = 3.

Answer:
11
Step-by-step explanation:

3x + 45 = 90
3x = 90 - 45
3x = 45
x = 45/3
x = 15
A line is a set of all points that : C. are the same distance from two points.
Step-by-step explanation:
A line is defined as a set of all points that are the same distance from two given points. For a line to form, you must connect points, thus its correct to say a line is formed when you draw a locus of a given point.
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Definition of a line:brainly.com/question/1592203
Keywords: line, set , points
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Answer:

Step-by-step explanation:
Use the distributive property, remove the parentheses, and collect the terms.