Wotzdorfg
2021-01-31
Answered

The function W defined by $W\left(\alpha \right)=1.9\alpha +2.3$ models the weight of a kitten, in ounces, that is a weeks old for $0\le \alpha \le 6$ . According to this model, what is the weight, in ounces, of a kitten that is 3 weeks old?

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The level surface of the function $f(x,y,z)=({x}^{2}+{y}^{2}{)}^{-1/2}$ are

a) Circles centered at the origin b) spheres centered at the origin c) cylinders around the z-axis d) upper halves of spheres centered at the origin

I had chosen a) asmy answer, but it turns out the answer is c). Could someone help me understand why?

a) Circles centered at the origin b) spheres centered at the origin c) cylinders around the z-axis d) upper halves of spheres centered at the origin

I had chosen a) asmy answer, but it turns out the answer is c). Could someone help me understand why?

asked 2021-02-18

Approximate y(1,2), with h = 0.1 given that $x{y}^{\prime}=y-2{x}^{2},y\left(1\right)=2$ , by RK-4 using 5-digits rounding.