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2 years ago

Given: f(x) = 3 - X; g(x) = -2x Find g[f(x)]

Mathematics

1 answer:

OLEGan [10]2 years ago

5 0

Answer:

g[f(x)] = -2(3 - x) = -6 + 2x

Step-by-step explanation:

When we substitute the function f(x) for x in g(x) = -2x, we get the composition g[f(x)]:

g[f(x)] = -2(3 - x) = -6 + 2x

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2 years ago

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Mashutka [201]

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2 years ago

What is the unknown fraction?

daser333 [38]

Answer:

A. 31/100

Step-by-step explanation:

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3/10 × 10/10 = 30/100

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1 year ago

Let L be the line parametrized by x = 2 + 2t, y = 3t, z = −1 − t. (a) Find a linear equation for the plane that is perpendicular

Elden [556K]

Answer:

Step-by-step explanation:

Given that L is a line parametrized by

$x = 2 + 2t, y = 3t, z = −1 − t$

The plane perpendicular to the line will have normal as this line and hence direction ratios of normal would be coefficient of t in x,y,z

i.e. (2,3,-1)

So equation of the plane would be of the form

$2x+3y-z =K$

Use the fact that the plane passes through (2,0,-1) and hence this point will satisfy this equation.

$2(2)+3(0)-(-1) =K\\K =5$

So equation is

$2x+3y-z =5$

b) Substitute general point of L in the plane to find the intersecting point

$2(2+2t)+3t-(-1-t) =5\\4+8t+1=5\\8t=0\\t=0\\(x,y,z) = (2,0,-1)$

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2 years ago

The average of the total sales amount for each associate last year was 125,000. Based on this average, what is the difference be

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Answer:

Step-by-step explanation:

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2 years ago