Which of the tables represents a function? Table A
Table B
Table C
Table D
Input Output
Input Output
Input Output
Input Output
4
3
1
3
0
1
0
4
3
2
3
Сл
5
1
4
2
4
2
1
3
7
1
5
4
3
O Table A
Table B
O Table C
O Table D

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression