(-11,2), (-9,2), (-7,3), (-5,3), (-3,3) is this a function?
1 answer:
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Option B. 55° is the correct answer
Step-by-step explanation:
"The sum of interior angles of a triangle is always 180°"
Given
m∠A=(3x+1)°
m∠B=(2x-1)°
m∠C = 40°
We know that
m∠A+m∠B+m∠C=180°
Putting the values of angles
Subtracting 40 from both sides
Dividing both sides by 5
We have to find Angle B,
So
m∠B = 2x-1 = 2(28)-1 = 56-1 = 55°
Hence,
m∠B=55°
Option B. 55° is the correct answer
Keywords: Triangle, Interior angles
Learn more about triangles at:
#learnwithBrainly
The trick here is to substitute points given
substituting point A x-value =b
turns out false since (b,a*b^b) !=(b,0)
substituting point B x-value=0
turns out true since (0,a)=(0,a)
we already got f(x) at x =0 which is not the point (0,0)
so c is false
substituting D x-value=a
hence B is the correct answers
substituting point A x-value =b
turns out false since (b,a*b^b) !=(b,0)
substituting point B x-value=0
turns out true since (0,a)=(0,a)
we already got f(x) at x =0 which is not the point (0,0)
so c is false
substituting D x-value=a
hence B is the correct answers