How many solutions does y=2(x-7)^2 have? if so does it have a vertex?

Trigonometry hellllllpppppppp asap

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)