Please help me its for grade 8

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.