1 2 points Find an equation for the line whose graph is give

1. (2 points) Find an equation for the line whose graph is given below 2. (2 points) Find the equation of the line through (-3, -5) with slope 3. (2 points) Find the slope and y-intercept of the line -3r 5y 30 0 and draw its graph 4. (3 points) The average surface temperature of the Earth can be modeled by T 0.02t 15.0 where T is the temperature in °C and t is years since 1950 (a) What do the slope and T-intercept represent in context? (b) Use the equation to predict the average global surface temperature in 2050 5. (1 point) Is the following relation from {1,2, 3, 4 to 11, 2, 3, 4, 5 a function. Explain your answer. {(1,2), (2,3), (3,3), (4,5) 6. (3 points) Given f(r) F T 2a 1 find f(3), f(-3), f(a), f(-r), f (1), h) ,f(a 7. (3 points) Find the domain of the following functions (a) f(r) 3r-6 Page 1 of 2

Solution

5.) yes it is a function , because every element of A assigned unique element in \'B\'