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sveticcg [70]
3 years ago
12

Given the table below, evaluate the following:

Mathematics
1 answer:
lina2011 [118]3 years ago
5 0
f(x)=40+10x \\g(x)=-4-x \\ \\(3f+2g)(1) \\(3(40+10x)+2(-4-x))(1) \\(120+30x-8-2x)(1) \\(112+28x)(1) \\112+28×1 \\112+28 \\140

(f \circ g )(-1)
\\ f(g(-1))
\\ f(-3)
\\10
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If f(x) = 5x, what is f–1(x)?
yulyashka [42]
Keep in mind that an inverse function is simply the reversal of the x and y coordinates of the parent function.  For every (x,y) of the parent function, the inverse function has a point (y,x).  With the conceptual part out of the way, finding the inverse function is relatively straight forward.  If:

y=5x  then the inverse function will be what you have when you solve for x and then reverse the variable labels...ie.

y=5x so

x=y/5  now reverse the variable labels...

y=x/5  this is the inverse function of y=5x or as your problem notation stated:

f^-1(x)=x/5
4 0
4 years ago
Read 2 more answers
If f(x) = x2 + x - 8, find f(-3).
dalvyx [7]

Answer:

-17

Step-by-step explanation:

it's telling you to replace x with -3.

You have to replace all the x's with -3.

(-3)2 + (-3) - 8 = -17

5 0
3 years ago
Need help with this quiz please and thank you
12345 [234]

Answer:

Step-by-step explanation:

1. ¹/₃ × π × r² × l:so 33.9.29cm³

2. π × r² × l:so π x 2² x 3.5=43.98ft³

3.¹/₃ × π × r² × l, to get the radius from diameter you divide the diameter by 2 so it would look like: ¹/₃ × π x 4² x 12= 201.06in³

4.352cm³

5. cone: 1/3 πr²h

Cylinder: πr²h

cone : 33    Cylinder = 3 x 33 = 99 in³

5 0
3 years ago
Find the x me y intercepts of the graph of the linear equation -6x + 9y = -18
Ronch [10]

Answer:

Y=2/3X—2

Step-by-step explanation:

Move 6x to the other side, divide by 9

5 0
3 years ago
PLEASE HELP WITH THESE QUESTIONS I WILL MARK YOU BRAINLIEST!!! HELP I HAVE 5 MINSSSSS
jekas [21]
Sorry I don’t no anything about school
6 0
4 years ago
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