A brand new smartphone costs $1200. It decreases in value by 13.3% every year after its purchase. Which function models the value of the phone x years after its puchase? f(x)=0.867(1200)x

f(x)=1200(0.867)x

f(x)=1200(1.133)x

f(x)=1.133(1200)x

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The graph shows the rate at which paint is used to paint a wall.enter values to complete each statement below based on the graph.when 1 gallon of paint has been used, ( # ) square feet of the wall will be painted.the unit rate is ( # )square feet per gallon.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.