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Scrat [10]
3 years ago
8

Which of these graphs represents a function A.w B.x C.y D.z

Mathematics
1 answer:
Grace [21]3 years ago
3 0
The graph the represent a function is D.z because it shows an actual function
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Write the equation of the line perpendicular to y=2/3×-6 that passes through the point (6,4)
mash [69]

the slope of the given line is 2/3.  The slope of a line perpendicular to this given line is the negative reciprocal of 2/3, or -3/2.

The line passes thru (6,4).  We can immediately write the desired equation as follows:

y - 4 = (-3/2)(x-6).  This could, of course, be written differently:

y = 4 - (3/2)x + 9, or    y = (-3/2)x + 9 (in slope-intercept form).

6 0
3 years ago
Please help marking brainliest and how do you solve
Kruka [31]

Answer:

A

Step-by-step explanation:

The y-intercept is -1, so the answer is either A or C

Since the line is going down when you read left to right, then it must have a negative slope.  A has a slope of -1/3 and C has a slope of +3.  Therefore, A is the answer

5 0
3 years ago
I need help please!:D
Semmy [17]

Answer: b

Step-by-step explanation:

7 0
3 years ago
Answer don’t mind the stuff to there right——————
zubka84 [21]
1.85 I got this answer because I subtracted Anna n Darcy’s time! Hope that helps :)
4 0
3 years ago
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If f(x) = 4x-3, which of the following is the inverse of f(x)?
GalinKa [24]

Answer:

\huge\boxed{f^{-1}(x)=\dfrac{x+3}{4}=\dfrac{1}{4}x+\dfrac{3}{4}}

Step-by-step explanation:

f(x)=4x-3\to y=4x-3\\\\\text{exchange}\ x\ \text{to}\ y\ \text{and vice versa}\\\\x=4y-3\\\\\text{solve for}\ y\\\\4y-3=x\qquad|\text{add 3 to both sides}\\\\4y-3+3=x+3\\\\4y=x+3\qquad|\text{divide both sides by 4}\\\\\dfrac{4y}{4}=\dfrac{x+3}{4}\\\\y=\dfrac{x+3}{4}\to y=\dfrac{1}{4}x+\dfrac{3}{4}

5 0
3 years ago
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