Ineed with pre calc! i don’t know how to make piece wise functions on (b). answering the other questions would too: )

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus

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step-by-step explanation: