Answer:
29
Step-by-step explanation:
Well "value" of 3x^2 - 7x + 9 when x = 4 is just x plugged into the expression
3 * 4^2 - 7 * 4 + 9
3 * 16 - 28 + 9
= 29
Answer:
in confused on what to help u with
Step-by-step explanation:
It reflects across the x axis
Answer:
243
Step-by-step explanation:
3x3=9
9x3=27
27x3=81
81x3=243