Answer:D
Step-by-step explanation:
you plug 4 in for x
f(4)=4^2+2(4)-3
=16+8-3
=24-3
=21
This is equal to...
We want "x" so we need to isolate it using laws of exponents...
because
because
x = 4
answer: B
Answer: The height of a standard door is about 2 m. The length of an adult pace is about 1 m. The length of a size 8 shoe is about 30 cm. Most adults are between 1.5 m and 1.8 m in height.
Step-by-step explanation:
The answer is 16. 1% of 1600 is 16. 1% = 0.01. Multiply 0.01 by 1600.
On my screen this projects wayyy too bright but to find this answer you need to count every square unit and if it's a half then add it to another half.