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Hello, I'm stuck on two questions and I could use some help. I do have answers to these questions, I would just like to make sure I am correct. Thanks for your time. 

Here they are:

 

1.

The function f(x) varies inversely with x and f(x)=2 when x=16.

What is f(x) when x=4?

Options:

128

72

40

8<----My answer

2.

The scale factor of a blueprint of a theatre stage to the actual theatre stage is 1in/6ft. The area of the stage on the blueprint is 48in^2.

What is the area of the actual stage?

288ft^2<----My answer

864ft^2

1728^2

10,368ft^2

 Jan 11, 2019
 #1
avatar+18446 
+1

First one  I got the same answer

 

Second one    1 inch = 6 feet

                        1 inch squared = 36 sqft

                         48 in^2 = 36 x 48 = 1728 ft^2

 Jan 11, 2019
 #2
avatar+5225 
+1

your answer to (1) is correct

 Jan 11, 2019

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