Chapter 1.1, Problem 6E

Let C be the intersection of the cylinder x² + y² = 2.95 with the plane z = 1.13x, with the clockwise orientation, as viewed from above. Then the value of cos (₤23 COS 2 y dx xdy+3 z dzis 3 z dz) is 0.131 -0.108 -0.891 -0.663 -0.428 0.561 -0.332 -0.387

2 x² + 47 The partial fraction decomposition of f(x) g(x) can be written in the form of + x3 + 4x2 2 C I where f(x) = g(x) h(x) = h(x) + x +4

The partial fraction decomposition of f(x) 4x 7 g(x) + where 3x4 f(x) = g(x) = - 52 –10 12x237x+28 can be written in the form of

1. Sketch the following piecewise function on the graph. (5 points) x<-1 3 x² -1≤ x ≤2 f(x) = = 1 ४ | N 2 x ≥ 2 -4- 3 2 -1- -4 -3 -2 -1 0 1 -1- --2- -3- -4- -N 2 3 4

2. Let f(x) = 2x² + 6. Find and completely simplify the rate of change on the interval [3,3+h]. (5 points)

(x)=2x-x2 2 a=2, b = 1/2, C=0 b) Vertex v F(x)=ax 2 + bx + c x= Za V=2.0L YEF(- =) = 4 b (글) JANUARY 17, 2025 WORKSHEET 1 Solve the following four problems on a separate sheet. Fully justify your answers to MATH 122 ล T earn full credit. 1. Let f(x) = 2x- 1x2 2 (a) Rewrite this quadratic function in standard form: f(x) = ax² + bx + c and indicate the values of the coefficients: a, b and c. (b) Find the vertex V, focus F, focal width, directrix D, and the axis of symmetry for the graph of y = f(x). (c) Plot a graph of y = f(x) and indicate all quantities found in part (b) on your graph. (d) Specify the domain and range of the function f. OUR 2. Let g(x) = f(x) u(x) where f is the quadratic function from problem 1 and u is the unit step function: u(x) = { 0 1 if x ≥0 0 if x<0 y = u(x) 0 (a) Write a piecewise formula for the function g. (b) Sketch a graph of y = g(x). (c) Indicate the domain and range of the function g. X фирм where u is the unit step function defined in problem 2. 3. Let…

Question 1

"P3 Question 3: Construct the accessibility matrix Passociated with the following graphs, and compute P2 and identify each at the various two-step paths in the graph Ps P₁ P₂

A cable television company estimates that with x thousand subscribers, its monthly revenue and cost (in thousands of dollars) are given by the following equations. R(x) = 45x - 0.24x2    C(x) = 257 + 13x