<span>–10, –7.5, –5, –2.5, …
Is defined by the formula because the next term can be obtained by adding 2.5 to the current one.</span>
Alright, so plugging it in, we get 2(-4)^2=2(2)^4+3^2-(-4)^2+2^4. Use PEMDAS with parenthesis and exponents to then get (2)(16)+9-16+16. Multiplying 1 and 16, we get 32+41-16+16=73
