What is the a-value of the function, then determine if the graph opens up or down f(x) = 2(x+3)2+4?
Question 4 options:
a= 2, opens up
a= 2, opens down
a= 4, opens up
a= 4, opens down
Let f(x)=4x2−5 .
A new quadratic function g(x) is the function f(x) stretched vertically by a factor of 2.
What is the equation of this new function g(x)?
Question 7 options:
g(x)=4x2−3
g(x)=8x2−10
g(x)=4(x+2)2−5
g(x)=8x2−5