Answer:
the answer is 8a + 7
Explanation:
1. Write the given function
2. Replace every x in the function rule g(x) with the given replacement value
3. then simplify the resulting numerical expression
4. Write the final answer
For the function g(x) = 4x + 7 find g(2a)
Solution:
g(2a) = 4(2a) + 7
g(2a) = 8a + 7
the answer is 8a + 7