Answer:-312
Explanation:
To find the value of a(-4) b(-4), we need to substitute -4 into the functions a(x) and b(x) and then multiply the results.
First, let's find the value of a(-4) by substituting -4 into the function a(x):a(-4) = 4(-4) + 10a(-4) = -16 + 10a(-4) = -6
Next, let's find the value of b(-4) by substituting -4 into the function b(x):b(-4) = (-4)^2 - 4(-4) + 20b(-4) = 16 + 16 + 20b(-4) = 52Now, let's multiply the values of a(-4) and b(-4) together:a(-4) b(-4) = -6 * 52a(-4) b(-4) = -312
Therefore, the value of a(-4) b(-4) is -312.