What is the range of the exponential function shown below? f(x) = 2 · 7^x
A. y<0
B. All real numbers
C. y> 0
D. All real numbers except 2

2÷6+1/2 to the second power plus one

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

What is r i 4.5+10r=-6.5 with work pls