Let y = f(x) = 2/(1+1/x)^2

(a.) find all x such that f(x) = 1

(b.) are there any values of x so that f(x) = -1? explain

(c.) does f(-1) exist? explain

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

What is the solution for the following system of equations? use any method to solve. 2x + 8y = 4 x = -3y + 5 question 4 options: x = 14, y= -3 x = 2, y = -3 x = -3, y = -3 x = 12, y = 5