Answer:
answer is A. cosine
Step-by-step explanation:
Answer:
x=-7
Step-by-step explanation:
1. Distribute the 7 into the parenthesis: -7-2x=7x+56
2. Combine like terms by doing the opposite operation to the numbers: -7=9x+56 (added 2x to 7x)
3. Subtract 56 to each side of the equation: -63=9x
4. To isolate the variable "x," divide each side by 9: x=-7
Answer:
f(-3) = 9
Step-by-step explanation:
Step 1: Define
f(-3) = x = -3
f(x) = x²
Step 2: Substitute and Evaluate
f(-3) = (-3)²
f(-3) = 9
Answer:
<h2>
</h2>
Step-by-step explanation:
When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression:
Collect like terms
Calculate
Hope this helps...
Good luck on your assignment...
