You have to factor and then get the x intercepts
-6b > 42 = b<-7
or
4b > -4 = b>-1
Hope this helps.
An=Asub1(r)n-¹
=5(-2)7-¹
=5(64)
A7=320
9.) 3
10.) 1
11.) x-axis
12.) 4
13.) y-axis
Answer:
(a)

(b)

(c)

(d)

Step-by-step explanation:
(a)

we can use property of exponent

we get


........Answer
(b)

we can use property of exponent

we get


........Answer
(c)

we can use property of exponent

we get



........Answer
(d)

we can use property of exponent

we get


we can use property

........Answer