What is the value of x in the proportion x + 1 / x+3 = 15/ 21 a.4 b.1/3 c.1/4 d.3
2 answers:
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Answer:
Step-by-step explanation:
Given
See attachment
Solving (a):
To solve for , we make use of:
The relationship between both angles is that they are complementary angles
Make the subject
Substitute for
Solving (b):
To solve for , we make use of:
The relationship between both angles is that they are complementary angles
Solving (c):
To solve for , we make use of:
The relationship between both angles is that they are alternate exterior angles.
So:
When the function goes 1 to the right, it goes 2 down. Therefore the direction of the function is
Hence, the function represented is
y = -2x
Hence, the function represented is
y = -2x