Explain why the function is differentiable at the given point. then find the linearization l(x, y) of the function at
that point.
f( x, y) = 1 + x in(xy - 5), (2, 3)

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

slope is 35 and 20 miles is the y-intercept.

step-by-step explanation:

step-by-step explanation:

the true ones are a b and d