1. (2 points) Find an equation for the line whose graph is given below 2. (2 poi
ID: 3425292 • Letter: 1
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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 2Explanation / Answer
5.) yes it is a function , because every element of A assigned unique element in 'B'
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