12 Given the graph of the function f(x), find each of the following. Ay
f(x)
a. f(-4)
b. f0
c. f(2)
d. f(5)
Gina Wilson (All Things Algebra), 2013

Can someone me with this problem i don't understand i need

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.