Sam C.

6/j = 18/21 so what's J?

a). 𝓵 passes across the intersection point of the lines s1 and s2 determined by the equations 2x = -1 + 3x + y and -2x + y + 9= -x + y, respectively.b). 𝓵 is perpendicular to the line 𝓻 determined... more

At what rate (in rad/s) is the angle (in radians) between the string and the horizontal changing when 160 ft of string have been let out? Include an appropriate picture that shows your variables.... more

The output y of the least integer function is the least integer greater than or equal to the input value. This function is written f(x) =[x]. Graph the function for -2 < x ≤ 6,

Let f(t) be the weight (in grams) of a solid sitting in a beaker of water. Suppose that the solid dissolves in such a way that the rate of change (in grams/minute) of the weight of the solid at any... more

An arrow is shot vertically upward from a platform 30ft30⁢ft high at a rate of 157ft/sec157⁢ft/sec. When will the arrow hit the ground? Use the formula: h=−16t2+v0t+h0h=−16t2+v0t+h0. (Round your... more

It is next to the Earth. It is red, but not hot. It is actually cooler than Earth.

Let 𝑓 be a twice differentiable function on an open interval (𝑎,𝑏).Which statements regarding the second derivative and concavity are true?a)If 𝑓″(𝑐) is positive, then the graph of 𝑓 has a local... more

Select the true statements involving the mean value theorem and monotonicity.a) If 𝑓′(𝑥)<0 for all 𝑥 in an interval, then 𝑓 is increasing on that interval.b) If 𝑓 is continuous on [𝑎,𝑏] and... more