Determine which of the following are arithmetic sequences. Explain how you know.
a) 4, 7, 10, 13

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.