4 times 4=16 So in four days, Cheyrl traveled 16 miles.
Answer:
5 times K is 5K
Step-by-step explanation:
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Answer:
Where is the answer choices?
Step-by-step explanation:
Answer:
-17
Step-by-step explanation:
f(-5)= 3*(-5)-2
= -15-2
=-17
X^4 - 5x^2 - 36 = 0
(x^2 - 9)(x^2 + 4) = 0 - factor the left side
(x + 3)(x - 3)(x^2 + 4) = 0 - factor (x^2 - 9 as difference of squares)
x + 3 = 0 x - 3 = 0 x^2 + 4 = 0 Set each factor to 0 if any 0 the left side 0
x = -3 x = 3 x^2 = -4
x = 2i or -2i
The roots are 3, -3, 2i, -2i (Don't know if you need the imaginary roots but I gave you them anyway)