Una máquina en un gimnasio calcula las calorías quemadas durante 30 minutos de actividad física al multiplicar el peso en libras de la persona por 3. Si una persona de 175 libras de peso se ejercita en la máquina durante una hora, ¿cuántas calorías quemará?

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?