Let f(x)= 8/(1+3e^−0.7x)

what is the value of f(−3) ?

round the answer to the nearest hundredth.

For each expression use a property to write an equivalent expression.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.