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10. use the description and graph to compare the two functions. which f…

Question

  1. use the description and graph to compare the two functions. which function has the lesser minimum?

g(x) f(x)
nonlinear
increasing when x>3
x - intercepts at (-3,0) and (9,0)
minimum at (3,-6)
end behavior: as x→ -∞, f(x)→∞, and as x→∞, f(x)→∞
a f(x) b g(x) has a lesser minimum.

  1. use these key features to sketch the graph of f(x):

● linear
● increasing for no values of x
● y - intercept located at (0,3)
● x - intercept located at (2,0)
● end behavior: as x→∞, y→ -∞

  1. graph 3x - 4y = 16 by using the x - and y - intercepts.
  2. graph y + 2 < 4x + 1

Explanation:

Step1: Identify the minimum of \(g(x)\)

From the graph of \(g(x)\), the minimum value of \(g(x)\) is \(y = 0\) (the lowest - point on the graph of \(g(x)\) is at the vertex which lies on the \(x\) - axis).

Step2: Identify the minimum of \(f(x)\)

Given that the minimum of \(f(x)\) is at the point \((3,-6)\), so the minimum value of \(f(x)\) is \(y=-6\).

Step3: Compare the minimum values

Compare \(-6\) and \(0\). Since \(-6<0\), \(f(x)\) has the lesser minimum.

Answer:

A. \(f(x)\)