Question

I’m struggling on this math question and could use some help on it

Answer 1

Let's determine the values of f(-4) and g(6).

For f(-4),

`\text{ f\lparen x\rparen= -2x}^3\text{ - 5}`
`\text{ f\lparen-4\rparen= -2\lparen-4\rparen}^3-5\text{ = -2\lparen-64\rparen- 5}`
`\text{ f\lparen-4\rparen = 128 - 5}`
`\text{ f\lparen-4\rparen = 123}`

Therefore, f(-4) = 123

For g(6),

`\text{ g\lparen x\rparen = -3x - 3}`
`\text{ g\lparen6\rparen = -3\lparen6\rparen - 3 = -18 - 3}`
`\text{ g\lparen6\rparen = -21}`

Therefore, g(6) = -21