# calculus

posted by .

For x including [–15, 13] the function f is defined by f(x)=x^7(x+4)^6?
For x including [–15, 13] the function f is defined by
f(x)=x^7(x+4)^6

On which two intervals is the function increasing (enter intervals in ascending order)?

( i was able to get the first interval but had problems with the first number on the second. I thought it was zero but its wrong)

1.( -15 to -4)
and
2. (???? to 13)

## Similar Questions

1. ### CALCULUs

For all x in the interval [-11,13] the function f is defined by x^3(x+3)^4 On which two intervals is the function increasing?
2. ### Math

For x [–14,13] the function f is defined by f(x)=(x^3)(x+6)^4 On which two intervals is the function increasing (enter intervals in ascending order)?
3. ### math-calc

for x (-12, 10) the function f is defined: f(x)=x^7(x+2)^2 On which two intervals is the function increasing (enter intervals in ascending order)?
4. ### math-calc

Consider the function f(x)= (2x+8)/(6x+3). For this function there are two important intervals: (-inf, A) (A, inf) and where the function is not defined at A . Find A For each of the following intervals, tell whether is increasing …
5. ### calculus

f(x)= x^3/x^2-16 defined on the interval [-19,16]. Enter points, such as inflection points in ascending order, i.e. smallest x values first. Enter intervals in ascending order also. What are F(x) TWO vertical asympototes?
6. ### calculus

For x ∈ [−12, 10] the function f is defined by f(x) = x7(x + 1)4 On which two intervals is the function increasing (enter intervals in ascending order)?
7. ### math

. Given the following function, f(x)=-x^2 -8x find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e) range, (f) intervals where the function is increasing, (g) intervals where the function is decreasing, and (h) the …