11-12 Sketch the graph of the function and use it to determine the values of a for which limx→a f(x) exists. 1 + x if x < -1 11. f(x) = x² 2x if -1 < x <1 if x 1

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: –2q + 20=

A: Here , we will find the value of q

Q: Simplify. 5x x² + 2x 2 + 2x - 8 3 x + 4

A:

Q: + 2x)² 4x +2

A:

Q: Find AB.

A: We have to find product AB for the given matrices: A=4-32 and B=51 We know for multiplication of…

Q: tv9t2 + 16 dt -2

A:

Q: Evaluate if x = 2 and y = -3. 2x2-2xy + 10y²

A:

Q: Evaluate x²+3x+5

A:

Q: 2x be17eX +l2=O

A:

Q: 4x - 3y = -3 2x + 5y = 31 %3D

A:

Q: i 12-4x) de

A:

Q: p2 sec? r³ dr

A:

Q: he answer is still wrong

A: Sol:-We need to use Bayes' theorem to calculate this probability.  Let A be the event that Stage 3…

Q: 4x - 5y = 3  3x - 4y = 6

A: Given that       4x - 5y = 3 -------------(1)        3x - 4y = 6 -------------(2)

Q: X-y= 3 x+y = 5

A: Given equations x-y=3 x+y=5

Q: (3+ 5x)°dx

A:

Q: CSC xO

A:

Q: X+2y=3 , x-y=6

A:

Q: a 3= 1 2+x

A:

Q: dt t2-t-6

A:

Q: V- 25 + V- - 81+V-49

A: Topic - complex numbers

Q: Multiply. (ex − e−x)2

A: Here we multiply this:

Q: 3-3+1=?

A: NOTE As you don't mention what to find. I am just simplify the expression.

Q: find x andy Xi +y =5+ 4

A: If x+iy= a+ib then x=a,y= b, where a,b are real numbers.

Q: Simplify. (4y²– 2y-3)+(3y²–5y-4)-(8)²-4y-8)

A: Given :

Q: r5 dt 25 + t2

A:

Q: .2 y = 4 - x² and x +y = 2.

A:

Q: xp= /3-x =dx

A:

Q: 2x+5y=14 4x+2y=-4

A:

Q: V6x + 7 – 2 = x

A:

Q: -1 34 -30 10

A:

Q: x+y=6 x-y=2

A:

Q: If x &gt; 4 and y &gt; 4, then x + y &gt; 8.

A: Since, we have been given that:-x&gt;4 -(i)y&gt;4 -(ii)Our Aim is to Prove that:- x+y&gt;8

Q: 2. seot

A:

Q: Find the exact value of the expression cos 11π/6. Do not use a calculator.

A: To find the exact value of the expression,cos11π6. Solution: The given expression is , cos11π6…

Q: 3x - 4y = 1 3x-2y = -1

A: Denote the equations. 3x-4y=1            ...13x-2y=-1            ...2