The owner of an office building is expanding the length and width of a parking lot by the same amount. the lot currently measures 120 ft by 80 ft, and the expansion will increase its area by 4,400 ft^2. how many feet should the length of the parking lot be increased?
a) 1.2
b) 20
c) 66.3
d) 220

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x