Math

QuestionRhianna claims different functions can share xx-intercepts (5,0),(2,0),(6,0)(-5,0),(2,0),(6,0), domain [5,7][-5,7], and range [4,10][-4,10]. Can you find examples?

Studdy Solution

STEP 1

Assumptions1. The x-intercepts are (5,0),(,0)(-5,0),(,0), and (6,0)(6,0). The domain is 5x7-5 \leq x \leq7
3. The range is 4y10-4 \leq y \leq10

STEP 2

We need to understand that the x-intercepts are the points where the function crosses or touches the x-axis, i.e., where y=0y=0.

STEP 3

We also need to understand that the domain of a function is the set of all possible x-values and the range is the set of all possible y-values.

STEP 4

Given the x-intercepts, domain, and range, we can sketch different functions that satisfy these conditions.

STEP 5

First, let's sketch a linear function that passes through the given x-intercepts. We can choose a function such that the line passes through the points (5,0),(2,0)(-5,0),(2,0), and (,0)(,0) and stays within the given range 4y10-4 \leq y \leq10.

STEP 6

One such function could be f(x)=x+2f(x) = -x +2 for 5x-5 \leq x \leq. This function has the same x-intercepts and fits within the given domain and range.

STEP 7

Next, let's sketch a quadratic function that also passes through the given x-intercepts and stays within the given domain and range.

STEP 8

One such function could be g(x)=(x+5)(x2)(x6)g(x) = (x+5)(x-2)(x-6) for 5x7-5 \leq x \leq7. This function also has the same x-intercepts and fits within the given domain and range.

STEP 9

Thus, we have shown that it is possible to draw different functions that have the same x-intercepts and the same domain and range.

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