The problem asks us to graph the function $f(x) = -4x - 3$.

AlgebraLinear FunctionsGraphingSlope-intercept form
2025/3/6

1. Problem Description

The problem asks us to graph the function f(x)=4x3f(x) = -4x - 3.

2. Solution Steps

The function f(x)=4x3f(x) = -4x - 3 is a linear function. We can find two points on the line to graph it.
When x=0x=0, f(0)=4(0)3=3f(0) = -4(0) - 3 = -3. So the point (0,3)(0, -3) is on the line. This is the y-intercept.
When x=1x=1, f(1)=4(1)3=43=7f(1) = -4(1) - 3 = -4 - 3 = -7. So the point (1,7)(1, -7) is on the line.
Now we can use the points (0,3)(0, -3) and (1,7)(1, -7) to graph the line.
Another way to think about this is to consider the slope-intercept form of a line, which is
y=mx+by = mx + b, where mm is the slope and bb is the y-intercept. In our case, f(x)=4x3f(x) = -4x - 3, so m=4m = -4 and b=3b = -3. This means the line crosses the y-axis at (0,3)(0, -3) and has a slope of 4-4. A slope of 4-4 means that for every 1 unit increase in xx, yy decreases by 4 units. So, starting at (0,3)(0, -3), if we increase xx by 1, we get to x=1x=1, and then yy decreases by 4, so y=34=7y = -3 - 4 = -7, which means the point (1,7)(1, -7) is on the line.

3. Final Answer

f(x)=4x3f(x) = -4x - 3

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