-1-0.2x
-1-1/5(-2)
-1-1/5x
$\int \log\left((x^2+1)^{x^4+x}\right)\,dx$
$5^{sin^4(3x)}$
the temperature of one furnace is 1200 and cools at a rate of 15 per minute. the other furnace is 900 and is heated at a rate of 5...
0.25a-2.1=0.5a-4.1
9/3+9/3
2/5d-1=3/5d-3
write without a negative exponent $a/(1/b^{-2})$