From the list of equations below, choose the ones that are functions:Question 1Select one or more:a.y=4x2+25x+25𝑦=4𝑥2+25𝑥+25b.y=(√2x−1)𝑦=(2𝑥−1)c.y=−3𝑦=−3d.y=3x𝑦=3𝑥e.x=y6𝑥=𝑦6f.|y−1|=2x+6|𝑦−1|=2𝑥+6g.x2+y2=4𝑥2+𝑦2=4h.x=7
Question
From the list of equations below, choose the ones that are functions:Question 1Select one or more:a.y=4x2+25x+25𝑦=4𝑥2+25𝑥+25b.y=(√2x−1)𝑦=(2𝑥−1)c.y=−3𝑦=−3d.y=3x𝑦=3𝑥e.x=y6𝑥=𝑦6f.|y−1|=2x+6|𝑦−1|=2𝑥+6g.x2+y2=4𝑥2+𝑦2=4h.x=7
Solution
The equations that are functions are:
a. y=4x^2+25x+25 b. y=√(2x−1) c. y=−3 d. y=3x h. x=7
These are functions because for each input (x-value), there is exactly one output (y-value). The other equations do not meet this criterion, so they are not functions.
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