a. Blacksmith heats an iron plate up to 150° C and keeps it off the heat. The temperature in the room is 15°C. Find the time it takes the plate to reach 20°C. b. Express f(t) in terms of Heaviside unit step function. The function f(t) is defined as (t2 +3, S(1) = {"3, 0 2 Once you upload files from your second device, click on CSymc to check your submission OCamera This is th Finish Clear Response

Q: (4) y=x +4 -5 -4 -3 6.

A: The given equation is: y=x+4

Q: 1/3+2/9

A: Given 1/3 + 2/9

Q: dactonive: 2. 2.

A: To factorise x2y2z2-16 ⇒x2y2z2-42 We know that a2-b2=a+ba-b Here a=xyz and b=4

Q: (1-2=) dr

A:

Q: . 3류 - 2층 : 3% +4/3) 1

A:

Q: 2 3 3 4 6 8

A: The mean is computed below.   Aptitude score(x) Frequency(f) x*f 0 4 0 1 2 2 2 3 6 3 0 0…

Q: 4n – 1

A:

Q: -3(7a)

A: To evaluate-3(7a)

Q: LCM 3 and 5

A:

Q: 7/2 + 3 4/6

A:

Q: 196. 2(n+1)

A:

Q: 9 – 4x > –3

A: The given inequality is 9-4x>-3

Q: x)

A:

Q: 2 3 B={ A= 3 Find: A+B .B+A .A-

A:

Q: expand (a-b)7

A: The solution is given in the next step.

Q: 1 7. 27 2.

A:

Q: 7,20

A:

Q: 9 b and c

A: b) We check if the denominator is 0 for any value of x.  2x2+5=0 2x2=-5 x2=-5/2 (not possible) So…

Q: 目 +8 LI +T 现 +04 +C4 |F|E|F|| ||||4 4 4 2 2

A:

Q: Find a and b such that a = 9 = 0 - a -1 +6 10 6

A:

Q: Given the parent function f(x) = 2, which graph shows f(x) + 1? -5 -4 -3 -2 2 3 4 2 -5 3 4 2.

A: Given :   f(x)=2x

Q: 9.2 2 15 5 3 16

A:

Q: 4(5+6)=

A: Given: 4(5+6)=

Q: 3/8+5/24

A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

Q: 2(3+d-1)

A: Solve the given expression  given expression is 2(3+d-1)

Q: Expand (a −b)4

A:

Q: 3. Find L-¹{√534}. (s+3)

A:

Q: (n + 4)3 =

A: Given query is to expand (n+4)3