The function f(x) can be described by the set of points {(-1,1),(0,2),(1,4),(2,8)}, What is the RANGE of f(x)?
2 answers:
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Answer:
y=2x-5
Step-by-step explanation:
The slope-intercept form of an equation looks like y=mx+b. Where m is the slope and b is the y-intercept. The slope is already given to us, so m is 2.
To find b use the equation . So, to find the y-intercept use b=-7-(2*-1). This equals b=-5.
So, plug in the values to get the final equation y=2x-5.