Assume that the sales of a computer retail store are approximated by a linear function. sales were $990,000 in 1983 and $2,830,000 in 1988. let x=0 represent 1983. find the equation given yearly sales. estimate sales in 1991.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000