Answer:
f(-3) = 15
Step-by-step explanation:
f(x)= 2x^2 - 3
Plug in x = -3 into the function
f(-3) = 2(-3)^2 - 3
f(-3) = 18 - 3
f(-3) = 15
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Answer:
4.472
Step-by-step explanation:
So we just have to divide
22.36 / 5 = 4.472
Answer:
a) 21
b) 78.5 - 28.3 - 12.57 = 37.63
Step-by-step explanation:
For the triangle, you want to use the formula 1/2 base times height and then subtract 2 time 2. For the circle, the formula is pi times the radius squared. Then, subtract the other circles using the same formula. I hope this helps! Please mark me brainliest because I have been scammed many times. Please and thank you.