Aparticle travels along the x-axis such that its position at time t is given by the function x(t)=2t^2+t. what is the average speed of this particle over the interval 2 ≤ t ≤ 10?

a) 4

b) 25

c) 32

d) 200

. you!

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?