Which of the following statements is correct about the function y=-|x-1|
1) the function has a y intercept at (0,-1)
2) the function has a vertex at (-1,0)
3) the function is increasing on the interval (- ♾,-1) and decreasing on the interval (-1,+♾)
4) the function is positive on the interval (-♾,1) and negative on the interval (1,+♾)

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

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the answer is that this is not a function.

a function does not contain exponential powers greater than 1