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Select "Yes" or "No" to indicate whether the ordered pair is on the graph of the function

Select "Yes" or "No" to indicate whether the ordered pair is on-example-1
User Peterfoldi
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The pairs can be written as (x, y)


\begin{gathered} \text{The function given is} \\ f(x)=-25^{x\text{ + 1}} \\ \text{Let f(x) = y} \\ \text{Hence, y = -25}^{x\text{ + 1}} \\ \text{When x = 1 } \\ y=-25^{1\text{ + 1}} \\ y=-25^2 \\ y\text{ = 625} \\ (1,\text{ 625) ------ The answer is YES} \\ \text{When x = 0} \\ y=-25^{0\text{ + 1}} \\ y=-25^1 \\ y\text{ = -25} \\ (0,\text{ -25) --------- The answer is YES} \\ x\text{ = -1} \\ y=-25^{-1\text{ + 1}} \\ y=-25^0 \\ y\text{ = -1} \\ (-1,\text{ -1) ------- The answer is YES} \end{gathered}

User Binoculars
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