Simplify -7.39 -(-4.8)- 5.32
2 answers:
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Let y= mx-2 be the tangent line to y=x^2-4x+2 at x=a.
Then slope,
Hence the equation is y=(2a-4)x-2
Let's find y-coordinate at x=a using tangent line and curve.
Using tangent line y at x=a is (2a-4) a -2
Using given curve y-coordinate at x=a is
Let's equate these 2 y-coordinates,
a=2 or -2.
If a=2,
If a=-2,
Hence m values are 0 and -8.
Answer:
B)
Step-by-step explanation:
Given:
Ayanna jumps at the rate of = 32 times/minute
To find the algebraic equation to express the function of the total number of time Ayanna jumped the rope.
Solution:
Let represent the total jumps made by Ayanna.
Let Ayanna jump for minutes.
Using unitary method to calculate total number of jumps made by Ayanna in minutes.
In 1 minute, Ayanna jumps = 32 times
Thus, in minutes Ayanna will jump =
times
Thus, the function can be represented as;
(Answer)