Cvaries as the square root of the sum of a and b

How do i write a composition of functions and a function? it wasn't exactly indicated or demonstrated in the book and am currently confused.

Find the z-score of area to the left of z is. 7518? ​

Write true if the statement is true. otherwise, write false.1. two angles intercepting the same arc are congruent.2. an angle inscribed in a semicircle is a right angle.. 3. an inscribed square in a circle separates the circle into four equal arcs.4. opposite angles of a quadrilateral are 5. the measure of a central angle is twice the measure of an inscribed angle intercepting the samearc.6. the vertex of an inscribed angle is the center of the radius.7. two inscribed angles intercepting congruent arcs are congruent.8. the sides of a central angle are chords of the circle.9. the measure of an inscribed angle is twice the measure of its intercepted arc.​