4. Write the contrapositive of each statement and use he contrapositive to determine whether the original statement is true or false. a. If 3 + x is an odd integer, then x is an even integer. (Assume x is an integer) b. If two triangles are not similar triangles, then they are not congruent triangles. Note: Similar triangles have the same shape. Congruent triangles have the same size and shape. c. If today is not Wednesday, then tomorrow is not Thursday.

Q: 6+w=4

A: The give equation is 6 + w = 4To find the value of w.

Q: lim, 2+ f(x) = →2+ lim 2- f(x) =

A: Given query is to find indicated limit.

Q: 3.5(0.3x-1.5y)-4(0.2x-1.2y)

A: According to question,Given expression,3.50.3x - 1.5y-40.2x-1.2y

Q: T+4 dx 620.18 %3D 2.

A: Given that: ∫25x5+4xdx

Q: 103= 10%3D 2.

A: 102  = 100

Q: -2- 4- 3 10

A:

Q: 4h-3=9

A: We have to find h

Q: 24 = 3 + y

A: We have to solve the given expression for y. The expression is 24=3+y.

Q: 1 +1

A: Given  1+1=

Q: Let Mbe as in Equation (3.14) and let X = [1, 0, ½]¹. Show that the entries of Y=MX sum to 1.

A:

Q: 4(5+6)=

A: Given: 4(5+6)=

Q: 11+2x=31

A:

Q: limx→- f(x) limo+ f(x) limx→ = = =

A:

Q: -5 -2 1

A:

Q: 2+3

A: Find value of 2+3

Q: Simplify (8a power 3 bpower2 c power 0)

A:

Q: 18+x=14

A: We will find the value of x

Q: a = 2 - 9a

A:

Q: 2t2 – 100 = 0 %3D

A: The solution is, t = ±5√2  The detailed solution is as follows below:

Q: 30 = 6 + z z =

A: Given : 30  = 6+z

Q: limx→2 f(x) = lim, ¹x→−1+ f(x) =

A: Given graph of the function fx is   1. Find :  limx→2 fx. 2. Find :limx→-1+ fx.