1) find the vertex and intercepts of the following quadratic functions. state
whether the parabola opens up or down. use this information to sketch
the graph.
a f(x) = 3(x-7)? +4

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

you need to add a picture

i believe b is the answer