Find the maximum rate of change off at the given point and the direction in which it occurs.

$f(x,y)=4y\sqrt{x},(4,1)$

BolkowN
2021-09-15
Answered

Find the maximum rate of change off at the given point and the direction in which it occurs.

$f(x,y)=4y\sqrt{x},(4,1)$

You can still ask an expert for help

Laith Petty

Answered 2021-09-16
Author has **103** answers

To find the maximum rate

asked 2021-05-29

Find a vector equation and parametric equations for the line segment that joins P to Q.

P(0, - 1, 1), Q(1/2, 1/3, 1/4)

P(0, - 1, 1), Q(1/2, 1/3, 1/4)

asked 2021-05-17

Find the scalar and vector projections of b onto a.

$a=(4,7,-4),b=(3,-1,1)$

asked 2021-05-29

Which of the following expressions are meaningful? Which are meaningless? Explain.

a)$(a\cdot b)\cdot c$

$(a\cdot b)\cdot c$ has ? because it is the dot product of ?.

b)$(a\cdot b)c$

$(a\cdot b)c$ has ? because it is a scalar multiple of ?.

c)$|a|(b\cdot c)$

$|a|(b\cdot c)$ has ? because it is the product of ?.

d)$a\cdot (b+c)$

$a\cdot (b+c)$ has ? because it is the dot product of ?.

e)$a\cdot b+c$

$a\cdot b+c$ has ? because it is the sum of ?.

f)$|a|\cdot (b+c)$

$|a|\cdot (b+c)$ has ? because it is the dot product of ?.

a)

b)

c)

d)

e)

f)

asked 2021-02-11

Let F be a fixed 3x2 matrix, and let H be the set of all matrices A in $M}_{2\times 4$ with the property that FA = 0 (the zero matrix in ${M}_{3\times 4})$ . Determine if H is a subspace of $M}_{2\times 4$

asked 2021-08-20

Find the scalar and vector projections of b onto a.

$a=(4,7,-4),b=(3,-1,1)$

asked 2022-05-07

(-2,3)+(-1,6)=?

asked 2022-01-07

Find an equation for the plane containing the two (parallel) lines

${v}_{1}=(0,1,-2)+t(2,3,-1)$

${v}_{2}=(2,-1,0)+t(2,3,-1)$