5. sez)ds using the formal definition (a correct
Let f(x) = x + 2r? . Follow the steps to evaluate
answer brings the next step).
State the formal right Riemann sum:
f(x)
lim
Σ

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.