7. Which equation is represented by the graph?

A. y = −x2 + 2

B. y = 2x2 − 1

C. y = x2 + 2

D. y = −2x2 − 1

What are the domain and range of the function f(x)=2^x+1

What are the values of each variable in the diagram below?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%