Write the quadratic function in the form f(x)=a(x-h)^2+k. then give the vertex of its graph f(x)=x^2-8x+20

Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers