mindofnyny
23.07.2019 •
Mathematics
Subtract. –12 – (–7) a. –84 b. –19 c. –5 d. 19
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Ответ:
- 12 - (- 7) = - 12 + 7 = - 5.
Ответ:
let f(x) = 6x^2 + 5 and g(x) = 3x-5.
f(g(x))=f(3x-5)=6(3x-5)²+5=6(9x²-30x+25)-5
=54x²-180x+150-5=54x²-180x+145
again
f(g(7))=54×7²-180×7+145
=1531 is your answer