The function represents a reflection of across the y-axis ⇒ 3rd answer
Step-by-step explanation:
Let us revise the reflection across the axes
- If the function f(x) reflected across the x-axis, then its image is g(x) = - f(x)
- If the function f(x) reflected across the y-axis, then its image is g(x) = f(-x)
∵
∵ g(x) is the image of f(x) after reflection across the y-axis
- From the rule above reflection across the y-axis changes the sign of x
∴
∵
∵
∴
∴
The function represents a reflection of across the y-axis
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They each have $42 because 7 times 6 is 42 and combined they have $84 because 42 + 42=84.
Answer:
⅗
Step-by-step explanation:
12÷20 = ⅗
since the ratio is proportional
there for the ratio is still ⅗