Question

If a gas-filled balloon rises 40 feet in the 1st minute, 60 feet in the 2nd minute, and 80 feet in the 3rd minute, how many feet will the balloon rise during the 15th minute?
300 feet
320 feet
340 feet
360 feet
380 feet

Answer 1

if the pattern is that it rises 20 feet every minute, just multiply 15 by 20

Answer 2

What is the rate of change?

Answer 3

and then add th3 extra 20 feet from the first minute, so technically it would be 15x20+20

Answer 4

Terry runs a snowplowing business. Income from snowplowing is given by the function f(x) = 35.5x + 6, where f(x) is the income in dollars and x is the snowfall in inches received during a winter. If during the years 2006 to 2011, Terry’s town received 53, 42, 55, 63, 58, and 47 inches of snowfall, what was his income (in dollars) during those years?

A){1,444.4, 1,598.5, 1,825.5, 1,954.5, 2,043, 2,112.5}
B){1,335.5, 1,742, 1,777.5, 1,835, 2,104.5, 2,224.5}
C){1,497, 1,674.5, 1,887.5, 1,958.5, 2,065, 2,242.5}
D){1,254, 1,749.5, 1,837.5, 1,897.5, 2,110.4, 2,310.5}
E){,1353.5, 1,652.5, 1,753.5, 1,857, 2,034, 2,256.5}

Answer 5

I agree.