Determine all numbers at which the function is continuous. x+ + 5x - 36

f(x) = x + 8x-9

13

if x-9

if x=-9

10

a.

continuous at every real number except x = 1 and x = -9

b. continuous at every real number except x = -9

continuous at every real number except x = 1

d. continuous at every real number except x = -9 and x = 4

c.

intensity of the vector is v= √37 ≈ 6.08 units and make angle ∡α ≈ 9.46° with east direction

step-by-step explanation:

required vector is consists of the two componentsvx= 2+4=6 units   and vy= 1 unit and vx ⊥ vywe will use pythagorian theorem to find intensity of the vector vv∧2 = vx∧2 + vy∧2 => v = √vx∧2 + vy∧2 = √6∧2 + 1∧2 = √36+1 = √37 ≈ 6.08 unitsthe angle ∡α between vector and east direction we wil find with tanαtanα = 1/6 => α = arc tanα = arc 1/6 => α ≈ 9.46°

hope this

.25

step-by-step explanation:

answer: b

step-by-step explanation: